Description: Heat treated chrome vanadium steel with black-oxide finish Precisely-sized, chamfered ends insert smoothly into fastener head, reducing wear Color-coded housing for instant measurement identification Hinged case opens flat, making it easier to get wrenches in and out and high visibility size markings make for fast size selection Long arm wrenches provide extra reach and greater torque Specification: Material:Chrome+Vanadium steel Ball head screw Package Includes: 1 set hex key wrenches(9pcs)
