Specifications ratchet combination spanners set
1. Chrome vanadium steel material
2. 72T design for extra strength
3. Nickel-chromium alloy
7pcs ratchet combination spanners set 1. 50BV30 Cr-v steel for the ring and with U block slice ; 2. Double way for the gear ring; 3. All size including 8mm, 10mm, 12mm, 14mm, 17mm, 19mm, 22mm 1. Chrome vanadium steel material;
2. 72T design for extra strength;
3. Nickel-chromium alloy plated;
4. HRC : 45~48 We can change different sizes in this set, unit packing and LOGO according to customer's need.