Koken 1/4 in Hex Drive 6-Point Long Socket, 21mm, 111mm Exchangeable Drive Shank - BD042E-21

A socket, in the context of tools, refers to a hollow cylindrical tool used to turn nuts, bolts, and other fasteners. It typically has a hexagonal or square-shaped opening (also known as a drive) on one end that fits onto a corresponding drive tool, such as a ratchet wrench or socket wrench handle. The opposite end of the socket has a socket head that fits over the fastener.

Specifications:

• Length: 111mm
• Weight: 0.29 lbs