The Performance Tool 3-pc 10" Socket Adapter Set, No. W9052, is made from impact grade chrome vanadium steel and has a rust resistant black phosphate finish
. Spring loaded ball bearing ensures sockets are securely seated. Each socket adapter has a
1/4" hex shank with 8-1/2" long shank. They also have a chamfered square drive in 1/4, 3/8, or 1/2" drive sizes
that transforms a power drill into a power nut/socket driver.