1) Uses the high quality chrome vanadium steel overall precision forging? 72 tooth ratchet design <br><br>2) Surface mirror finish polishing? rust? beautiful <br><br>3) 15-degree angle offset? more convenient to operate? professional design and just 5-rotating nut <br><br>4) Suitable for use in small space and a long screw quick disassembly <br><br>5) Length: 18.5cm <br><br>6) Specifications: metric 14mm