Price last checked Oct 15, 2026. It may have changed, so confirm on the store's page. We earn a commission on purchases (details).
✪Specifications✪: *The product is suitable for Dayi 2106 brushless electric wrenches. *18V 21V Brushless Angle Grinder Drive Plate Polishing For Dayi Machine *General Control Panel Size:5.3*6.3CM *Brushless sensorless angle grinder drive control board general *Control board drive voltage: 18V (5 strings of lithium batteries, fully charged 21V), power 300W. ✪Packing List✪: 1 x Electric Wrench Motherboard Desciption: *Before testing the machine, you must connect the wire---fix the motor---install the case---tighten the screw---make sure that the square shaft of the head can be easily rotated without jamming---connect the power supply--- Press down the speed control switch so that there is no gap in the shell! Otherwise, there may be a buzzing alarm! *To prevent damage to the motherboard, please follow the requirements.