产品描述:
1/2" Square Drive Bi-Hexagon Sockets
The most popular drive size used in the service and maintenance industries. Manufactured from chrome vanadium steel hardened, tempered, chrome plated and polished for corrosion protection. All have a ball-retaining groove on each face of the square drive, which ensures a positive fit with all accessories. Chamfered leading edge ensures easy fastener location.
Whitworth