Britool Hallmark 3/8"SD Metric Bi-Hexagon England Made Socket - 7-22mm

This Britool Hallmark 3/8" Drive Bi-Hexagon Socket Range is manufactured from high-quality alloy steel for professional workshop performance. Each socket features a ball retaining groove in the square drive, ensuring a secure, positive fit with all 3/8" accessories.

The sockets use a 12-point bi-hexagon Stress Relief Drive, allowing higher torque loads while minimising fastener damage, making them ideal for demanding mechanical applications.  

These sockets were produced in the original Britool UK factory, which has now closed, making this range increasingly rare and collectible.

Available in sizes 7mm - 22mm and stamped Britool England and with the Hallmark B logo. 

⚠️ Please note: The images shown are for generic reference and may not match the size of the socket you require but you will receive the size as per your order.

The 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  your guarantee of quality.

The 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 & tear, moving parts such as ratchet mechanisms or consumable items such as bits and repair kits.