KS TOOLS 515.1576 3/8" Bi hex impact socket, 5/8

All of SK's interchangeable heads are made from a single piece of alloy steel. All of SK's interchangeable heads are made from a single piece of alloy steel. The dovetail design provides an exceptionally strong connection and allows for complete head interchange-ability across the full spectrum of torque ranges. The dovetail design provides an exceptionally strong connection and allows for complete head interchange-ability across the full spectrum of torque ranges. This construction style is far superior in strength as well as the maintenance of exact torque length.