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

11-pieces 1/4 in. drive hex bit sockets: 2 mm， 2.5 mm， 3 mm， 3.5 mm， 4 mm， 4.5 mm， 5 mm， 5.5 mm， 6 mm， 7 mm， 8 mm

Socket rail