The Critical Torque Wireless PEN has an innovative stabilisation system and a brushless German motor that delivers the power and impact needed for the job. This 136g cordless machine (with battery) features a 34mm diameter grip. The battery lasts up to 15 hours and has an LED panel on the top that provides various information. Critical Torque has a built-in Bluetooth 5.0 system. Compatible with Critical Pedal. Features: Stroke: 3,5 mm or 4,2 mm German brushless motor Battery: Up to 15 hours Tracks usage time Bluetooth 5.0 Grip weight: 39.6 g Weight: 136 g Included: 1x Critical Torque Wireless PEN; 1x Critical Connect V3 Battery; 1x Grip 34 mm; 1x 60 cm USB-C cable; QR Code for Machine Features