Clockwise and counter-clockwise operation.
Set the desired torque first.
After reaching the desired torque, set the angle and turn the wrench at this angle to apply extra torque.
Unit: N.m, in.lb, ft.lb, kg.cm, degree.
Peak and track working mode.
Target torque or angle value can be set, with audible and visible alarm.
Power off in 2 minutes automatically.

3M 27310, Ultra Durable 5 inch Power Sanding Discs, Universal Hole, 120 grit, 7100187646, 10 per pack
Standard Abrasives 711599, A/O Straight Cartridge Roll, 1/4 in x 1 in x 1/8 in 80, 7100080016
Dynabrade 97103 3/8"-24 Female, 1/2"-20 Male, 2" Length 