Fit to match the needs in the shop， at home or in the field Powerbuilt hex bit sockets feature the patented Zeon design which allows for protective non-slip function preventing bolts from striping while at the same time functions as a damage bolt removal tool. The unique design uses a spiral hex bit that bites more the harder you push and turn. These tough hex bit sockets are built for the toughest jobs featuring sockets that use a 2-piece press-fit design， socket bodies are constructed of Chrome Vanadium Steel and mated to S-2 industrial-grade steel bits which ensure a lifetime of reliable use.

Contents: 4-piece 1/4 in. drive SAE hex bit sockets in sizes 1/8， 9/64， 5/32， 3/16 in. 4-piece 3/8 in. drive SAE bit sockets in sizes 7/32 in.， 1/4 in.， 5/16 in.， 3/8 in. with steel bit socket holder

Finished: industrial-grade S-2 steel bits， premium mirror-polish chrome vanadium steel socket bodies and 2-piece press fit socket design for strength and durability

Patented design: prevents bolts from striping while at the same time functions as a damage bolt removal tool， the unique design uses a spiral hex design that bits more the harder you push and turn

Easy read: large size markings forged into the socket wall

Quality built: exceeds ANSI standards