Features: 1/2" square drive. Easy to do or undo car wheels. 500 N.M high torque, stepless speed change switch. Tungsten steel shaft, high hardness and wear resistance. Suitable for construction site shelves, maintenance, woodworking, etc. Provides various fastening controls for a wide range of applications such as scaffolding, car tyre, automotive, installation, and fabrication trades. Specification: Brand: VIOLEWORKS Type: High Torque Cordless Wrench Motor: Brushless Motor Max.Torque: 500 N.M Square Drive: 1/2" No Load Speed: 0-2650 RPM/0-3100 RPM Power Tool Type: Cordless Power Input: AC 110-240V Battery Capacity:1500mAh Power: 2000W Large Torque: Suitable for Car truck Wheel, construction site shelves, maintenance, woodworking, etc.