S2 steel bit is press-fit into the socket for a straight， permanent connection that can't loosen over time

6-sided hexagonal tip is machined to precise tolerances for an exact fit with hex fasteners

Large， clear die-stamped size marking is easy to read and can't wear off

4 detent grooves provide a secure connection with the drive tool and a drilled through-hole allows locking on with retaining pin

Polished， chrome-plated finish easily wipes clean and is highly resistant to corrosion

Twist-to-Lock Socket Rail organizes and securely holds sockets in place， both for in your toolbox and on the go

8-pieces 3/8 in. drive hex bit sockets: 1/8 in.， 9/64 in.， 5/32 in.， 3/16 in.， 7/32 in.， 1/4 in.， 5/16 in.， 3/8 in.

Socket rail