1) Uses the high quality chrome vanadium steel overall precision forging, 72 tooth ratchet design 2) Surface mirror finish polishing, rust, beautiful 3) 15-degree angle offset, more convenient to operate, professional design and just 5-rotating nut 4) Suitable for use in small space and a long screw quick disassembly 5) Length: 22.5cm 6) Specifications: metric 17mm Specification: Package Weight One Package Weight 0.24kgs / 0.54lb One Package Size 22.5cm * 3.5cm * 1cm / 8.86inch * 1.38inch * 0.39inch Qty per Carton 72 Carton Weight 16.80kgs / 37.04lb Carton Size 23cm * 14cm * 18cm / 9.06inch * 5.51inch * 7.09inch Loading Container 20GP: 4600 cartons * 72 pcs = 331200 pcs 40HQ: 10680 cartons * 72 pcs = 768960 pcs