Makita 6827 6.5 Amp Screwdriver 6 stage externally adjustable torque sensitive clutch mechanism designed for driving to a pin-point torque Silent synchronized pin clutch for reduced wear and quiet operation for a longer tool life ""Sure-Lock"" depth adjustment for consistent screw depth setting Heat treated, machine cut gears for efficient power transfer Lightweight cast aluminum gear housing for durability Ergonomic rubberized pistol grip design for positive control Retractable belt clip and small center height (15/16"") allow for operation in tight areas Conveniently located forward/reverse switch Powerful 6.5 AMP motor Front Cap (322120-3) FS2701 FS6200TP FS4200TP FS6200 FS2500 FS2200 6844 FS4200 6821 6-stage externally adjustable torque sensitive clutch mechanism designed for pinpoint torque Silent synchronized pin clutch for reduced wear and quiet operation for a longer tool life Sure-Lock depth adjusent for consistent screw depth setting Heat-treated, machine cut gears for efficient power transfer Lightweight cast aluminum gear housing for durability