With durable gearbox and brushless motor. a powerful and compact general tool for professional use. Overload protection against engine burnout. Led lighting. Works with all 18 V batteries.Technical information: Brushless motor Battery protection system Speed ​​(min-1) 0-500 / 1900 Max torque (hard / soft) 50/27 NmClutch steps 21 Max diameter in wood 38 mmMax diameter in steel 13 mmSpindle 1/2 ”-20UNF & 1.5; Cartridge 1.5-13 mmSound pressure level (LpA) 74 dB (A) Indeterminate noise (K factor) 3 dB (A) Vibration level (3 axes) when drilling ≤2.5 m / sec²Undetermined vibration (K factor) 1.5 m / sec²Weight with with standard battery (EPTA-Procedure 01/2003) 1.4-1.7 kgDimensions (LxWxH) 169x79x255 mm