{"product_id":"britool-hallmark-1-4-drive-extension-bar-range","title":"Britool Hallmark 1\/4\" Drive Extension Bar Range 50-375mm Chrome Vanadium (V3)","description":"\u003cdiv\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"8858fad7-bcff-4cc6-9a83-8bea766c0613\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"8858fad7-bcff-4cc6-9a83-8bea766c0613\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp data-start=\"850\" data-end=\"1231\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eThe \u003cstrong\u003eBritool Hallmark 1\/4\" Drive Extension Bar Range\u003c\/strong\u003e is designed to provide professional-quality performance when extra reach is required for automotive, engineering, and general workshop applications. Manufactured from high-quality Chrome Vanadium steel, these extension bars deliver excellent strength, durability, and dependable performance for everyday professional use.\u003cspan aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1233\" data-end=\"1559\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eEach extension bar features a \u003cstrong\u003espring-ball socket retainer,\u003c\/strong\u003e ensuring sockets remain securely attached during use while allowing quick and easy socket changes. The rigid, fixed design provides positive drive and efficient torque transfer, making these extensions ideal for accessing recessed or difficult-to-reach fasteners.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1561\" data-end=\"1887\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eAvailable in a choice of \u003cstrong\u003eseven lengths\u003c\/strong\u003e, this range offers the flexibility to tackle everything from close-access work to deep-reach applications. Individual extension bars can be purchased separately or as part of the \u003cstrong\u003e7-piece Tool Control foam set\u003c\/strong\u003e (\u003ca rel=\"noopener\" title='Britool Hallmark 7pc 1\/4\" Drive Fixed Extension Bar Set SESET7B' href=\"https:\/\/chrometrader.co.uk\/products\/britool-hallmark-7pc-1-4-drive-extension-bar-set-seset7b?_pos=1\u0026amp;_sid=d807306f1\u0026amp;_ss=r\" target=\"_blank\"\u003eSESET7B\u003c\/a\u003e) or the \u003cstrong\u003e12-piece mixed drive extension bar set\u003c\/strong\u003e (\u003ca rel=\"noopener\" title='Britool Hallmark 12 piece Fixed Extension Bar Set 1\/4\", 3\/8\" \u0026amp; 1\/2\" - SMLES12' href=\"https:\/\/chrometrader.co.uk\/products\/britool-hallmark-12pc-fixed-extension-bar-set-1-4-3-8-1-2-smles12?_pos=1\u0026amp;_sid=782c0ac95\u0026amp;_ss=r\" target=\"_blank\"\u003eSMLES12\u003c\/a\u003e).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1889\" data-end=\"2041\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eMatching\u003cstrong\u003e 3\/8\" and 1\/2\" drive \u003c\/strong\u003efixed extension bars are also available, along with corresponding wobble extension bar ranges for improved angled access.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5 data-section-id=\"dw11pr\" data-start=\"2048\" data-end=\"2066\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eKey Features\u003c\/span\u003e\u003c\/h5\u003e\n\u003cul data-start=\"2068\" data-end=\"2587\"\u003e\n\u003cli data-section-id=\"3pznc8\" data-start=\"2068\" data-end=\"2115\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eGenuine Britool Hallmark professional quality\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"b8m8mu\" data-start=\"2116\" data-end=\"2150\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e1\/4\" square drive extension bars\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1ewe5jd\" data-start=\"2151\" data-end=\"2205\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eManufactured from high-quality Chrome Vanadium steel\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1x6kae7\" data-start=\"2206\" data-end=\"2249\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eFixed design for positive torque transfer\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"6ub7c8\" data-start=\"2250\" data-end=\"2302\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSpring-ball socket retainer securely holds sockets\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1ydjcpn\" data-start=\"2303\" data-end=\"2351\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eIdeal for recessed and hard-to-reach fasteners\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1agmxsn\" data-start=\"2352\" data-end=\"2382\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eIndividual lengths available\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"krguje\" data-start=\"2383\" data-end=\"2425\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eComplete 7-piece set available (SESET7B)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"14jguj8\" data-start=\"2426\" data-end=\"2492\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eAlso available as part of the 12-piece mixed drive set (SMLES12)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"sgeszl\" data-start=\"2493\" data-end=\"2540\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eMatching 3\/8\" and 1\/2\" drive ranges available\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1l5n9ww\" data-start=\"2541\" data-end=\"2587\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eWobble extension bar versions also available\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 data-section-id=\"653qqp\" data-start=\"2594\" data-end=\"2617\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eAvailable Lengths\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp data-start=\"2619\" data-end=\"2653\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eChoose from the following lengths:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-start=\"2655\" data-end=\"2708\"\u003e\n\u003cli data-section-id=\"1j2cvjh\" data-start=\"2655\" data-end=\"2661\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e50mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1j2ecoa\" data-start=\"2662\" data-end=\"2668\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e75mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"15b52yh\" data-start=\"2669\" data-end=\"2676\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e100mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"15b8vq4\" data-start=\"2677\" data-end=\"2684\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e150mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"15d7r7e\" data-start=\"2685\" data-end=\"2692\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e200mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"15dd38f\" data-start=\"2693\" data-end=\"2700\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e250mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"15cm5nd\" data-start=\"2701\" data-end=\"2708\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e375mm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 data-section-id=\"1sfpx4w\" data-start=\"2715\" data-end=\"2745\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eProfessional Performance\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp data-start=\"2747\" data-end=\"3074\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eDesigned to improve accessibility while maintaining a secure, straight drive connection, these extension bars are ideal for use where sockets need additional reach without sacrificing strength or control. The spring-ball retention system helps prevent accidental socket release during use, improving both safety and efficiency.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5 data-section-id=\"igmn7\" data-start=\"3081\" data-end=\"3105\"\u003eIdeal Applications\u003c\/h5\u003e\n\u003cp data-start=\"3107\" data-end=\"3120\"\u003eSuitable for:\u003c\/p\u003e\n\u003cul data-start=\"3122\" data-end=\"3347\"\u003e\n\u003cli data-section-id=\"d7jqfq\" data-start=\"3122\" data-end=\"3156\"\u003eAutomotive servicing and repairs\u003c\/li\u003e\n\u003cli data-section-id=\"153jqbe\" data-start=\"3157\" data-end=\"3181\"\u003eMechanical engineering\u003c\/li\u003e\n\u003cli data-section-id=\"5njzgm\" data-start=\"3182\" data-end=\"3212\"\u003eGeneral workshop maintenance\u003c\/li\u003e\n\u003cli data-section-id=\"3vk7ry\" data-start=\"3213\" data-end=\"3234\"\u003eMachinery servicing\u003c\/li\u003e\n\u003cli data-section-id=\"19fzmk3\" data-start=\"3235\" data-end=\"3265\"\u003eAccessing recessed fasteners\u003c\/li\u003e\n\u003cli data-section-id=\"1du0mvx\" data-start=\"3266\" data-end=\"3302\"\u003eTight and restricted working areas\u003c\/li\u003e\n\u003cli data-section-id=\"1l19u14\" data-start=\"3303\" data-end=\"3329\"\u003eProfessional technicians\u003c\/li\u003e\n\u003cli data-section-id=\"1ai1zf5\" data-start=\"3330\" data-end=\"3347\"\u003eDIY enthusiasts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 data-section-id=\"tzdxwo\" data-start=\"3354\" data-end=\"3389\"\u003eComplete Your Tool Collection\u003c\/h5\u003e\n\u003cp data-start=\"3391\" data-end=\"3489\"\u003eThese extension bars are available individually or as part of the following Britool Hallmark sets:\u003c\/p\u003e\n\u003cul data-start=\"3491\" data-end=\"3604\"\u003e\n\u003cli data-section-id=\"xfyreh\" data-start=\"3491\" data-end=\"3543\"\u003e\n\u003cstrong\u003eSESET7B\u003c\/strong\u003e – 7 Piece 1\/4\" Drive Extension Bar Set\u003c\/li\u003e\n\u003cli data-section-id=\"6w6f6w\" data-start=\"3544\" data-end=\"3604\"\u003e\n\u003cstrong\u003eSMLES12\u003c\/strong\u003e – 12 Piece Mixed Drive Fixed Extension Bar Set\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3606\" data-end=\"3770\"\u003eMatching \u003cstrong\u003e3\/8\" and 1\/2\" drive \u003c\/strong\u003eextension bars and \u003cstrong\u003ewobble extension bar ranges\u003c\/strong\u003e are also available to provide a complete professional socket accessory solution.\u003c\/p\u003e\n\u003cp data-start=\"3606\" data-end=\"3770\"\u003ePlease note image used may be of a different size but you will receive the length corresponding to your order, so please order with care.\u003c\/p\u003e\n\u003ch5 data-section-id=\"1s7m9zt\" data-start=\"3777\" data-end=\"3815\"\u003eGenuine Britool Hallmark Quality\u003c\/h5\u003e\n\u003cp data-start=\"3817\" data-end=\"4051\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eBuilt for strength, reliability, and everyday workshop use, the Britool Hallmark 1\/4\" Drive Extension Bar Range delivers the reach and durability professionals demand, making it an essential addition to any socket tool collection.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch5 data-start=\"2965\" data-end=\"3073\"\u003eThe Brand\u003c\/h5\u003e\n\u003cp data-start=\"1005\" data-end=\"1440\"\u003eThe HALLMARK range was developed by Britool in the 80's for the automotive aftermarket. it has been the professional’s choice ever since. Each tool is marked with the Britool hallmark\u003cspan\u003e \u003c\/span\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0822\/6236\/0363\/files\/Thehallmarksmall_480x480.jpg?v=1699262897\" alt=\"\" width=\"19\" height=\"19\"\u003e, your guarantee of quality.\u003c\/p\u003e\n\u003cp\u003eThe Britool Hallmark guarantee covers against defective materials and\/or workmanship when used for the purpose for which they were designed and for the expected life of the tool. In the unlikely event that a product fails during normal use, it will be repaired or replaced. The guarantee does not extend to fair wear \u0026amp; tear, moving parts such as ratchet mechanisms or consumable items such as bits and repair kits.\u003c\/p\u003e","brand":"Britool Hallmark","offers":[{"title":"50mm","offer_id":58263157145974,"sku":"SE50B","price":9.99,"currency_code":"GBP","in_stock":true},{"title":"75mm","offer_id":58263157178742,"sku":"SE75B","price":9.99,"currency_code":"GBP","in_stock":true},{"title":"100mm","offer_id":58263157211510,"sku":"SE100B","price":9.99,"currency_code":"GBP","in_stock":true},{"title":"150mm","offer_id":58263157244278,"sku":"SE150B","price":10.99,"currency_code":"GBP","in_stock":true},{"title":"200mm","offer_id":58263157277046,"sku":"SE200B","price":10.99,"currency_code":"GBP","in_stock":true},{"title":"250mm","offer_id":58263157309814,"sku":"SE250B","price":11.99,"currency_code":"GBP","in_stock":true},{"title":"375mm","offer_id":58263157342582,"sku":"SE375B","price":12.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0914\/6669\/5030\/files\/Britool_Hallmark_1_4_50mm_extension_SE50B.jpg?v=1783952223","url":"https:\/\/chrometrader.co.uk\/products\/britool-hallmark-1-4-drive-extension-bar-range","provider":"Chrome Trader","version":"1.0","type":"link"}