Specifications Wrench
1. Chrome vanadium steel material;
2. 72T design for extra strength;
3. Nickel-chromium alloy plated;
4. HRC: 45~48 ;
professional quality Ratchet combination wrench 1. 50BV30 Cr-v steel for the ring and with U block slice ; 2. All size including 8mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22mm