Kobalt 17mm 12-Point Metric Standard Combination Wrench

12-point box end design allows work on multiple fastener types including 6-point, 12-point, square, star and some rounded. 12-point design also provides flexibility and versatility in wrench positioning. Constructed of chrome vanadium steel and heat treated for strength and durability. Professional grade, high polish finish. Size callouts are hard stamped. Blue color stripe helps identify metric wrenches. Meets or exceeds ASME specifications. Hassle-free lifetime guarantee.