KS Tools 516.1408 Rotary Square Box Wrench, 3/8"x1/4"

With ribbing for faster tightening of the screw connection Prevents unwanted removal of the square edges. Square drive according to DIN 3120 - ISO 1174, with ball lock With quick-release push button function on the ratchet head., Weight: 0.0440924524 pounds, Manufacturer: KS Tools