Kobalt Universal Metric 1/4-in Drive Spline 9mm Deep Socket

Dedicated metric spline drive broach. Functional spline drive works on multiple types of fasteners including 6-point, 12-point, spline, square, star and most rounded. Constructed from chrome vanadium steel and heat treated for strength and durability. Natural surface grind finish 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.