OpenClose GSR 180-LI PROFESSIONAL CORDLESS DRILL/DRIVER More power. More Robust. Affordable: Bosch Quality at affordable price! Durable: Designed with Robust Housing and Battery Cell Protection! Highly Serviceable: Motor has changeable carbon brushes for easy maintenance and serviceability! Additional data Battery voltage 18 V Torque (soft/hard/max.) 21/54/- Nm No-load speed (1st gear / 2nd gear) 0 – 500 / 0 – 1,900 rpm Battery type Lithium-ion Chuck capacity, min./max. 1.5 / 13 mm Torque settings 20+1 Drilling diameter Max. drilling diameter in wood 35 mm Max. drilling diameter in steel 10 mm Screw diameter Max. screw diameter 10 mm Noise/vibration information Sound pressure level 88 dB(A) Sound power level 99 dB(A) Uncertainty K 5 dB The A-rated noise level of the power tool is typically as follows: Sound pressure level dB(A); Sound power level dB(A). Uncertainty K= dB.