Britool England Britool 3/8" Drive Metric 4mm Hexagon Bit Socket M1B4M

Original made in England 3/8" drive hexagon / Allen bit socket.
The bit is fixed into the socket with a roll pin. Replacement bits are available.
This item was made in the Cannock manufacturing plant before it closed.
Please note picture is for illustration purposes only. Therefore, the size shown may be different from what it advertised. You will receice the size advertised.