Package Included 1 x Electric Wrench (This product does not include batteries) Name: Cordless Brushless Impact Wrench Model:D39422 Specifications Adapted to 18V Makita battery Color:black+blue No Load Speed: 0 - 4000 rpm Impact frequency: 0 - 4000 ipm Maximum Torque: 520N.M Square Drive:1/2" Features -520N.M high torque, stepless speed change switch. -Powerful electric wrench, multi-purpose, super power. -Tungsten steel shaft, high hardness and wear resistance. -Suitable for construction site shelves, maintenance, woodworking, etc. -The brushless motor does not generate sparks when it is working, and the motor does not wear. Note 1. Please allow a bit error due to manual measurement. please make sure you do not mind before you bid. 2. The color may have different as the difference display, please understand.