Kobalt Universal Metric 1/4-in Drive Spline 5.5mm Shallow Socket

Dedicated metric 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 and heat treated 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.