Product description
Material: Alloy chromium vanadium steel
Surface treatment: electrophoresis
Adjustable range of sleeve: 10-19mm
Suitable machine: electric drill/ratchet wrench (can be connected to a hand electric drill through a connecting rod)
Thread interface size: 9.5mm (3/8 inch)
1. Adjustable size in both directions: clockwise rotation to increase size, counterclockwise rotation to decrease size
2. Anti slip and strong torque, can be used with Zhongfei Ratchet Hand Electric Drill, etc
3. Hardness steel, precision forged with chrome vanadium steel, surface chrome plating, overall quenching, high hardness