Kobalt Universal Standard (SAE) 3/8-in Drive Spline 5/16-in Shallow Socket

Dedicated SAE spline drive broach. Specialized socket design allows work on multiple types of fasteners including 6-point, 12-point, spline, star, square, and most rounded out fasteners. Constructed of chrome vanadium steel for strength and durability. Natural surface grind with a matte black finish that allows you to easily identify the tools in your tool box. Size callout is laser etched. Meets or exceeds ASME specifications. Hassle-free lifetime guarantee.