Kobalt Universal 17mm Spline Metric Standard Combination WrenchDedicated metric spline drive broach in box end Specialized wrench 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 Size callout is hard stamped Meets or exceeds ASME specifications Hassle free lifetime guarantee Features Sub Brand Universal Type Combination Measure Type Metric Size 17mm