Black & Decker BCRTA01. Product type: Power screwdriver, Handle shape: Pistol handle, Chuck diameter: 1/4". Idle speed (max) : 180 RPM, Torque (max) : 5.5 N⋅m, Vibration level (screwdriving) : 0.5 m/s². Power source: Battery, Battery voltage: 3.6 V, Battery technology: Lithium-Ion (Li-Ion) Weight: 400 g. Number of bits: 5 pc (s)