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 mmGerman brushless motorBattery: Up to 15 hoursTracks usage timeBluetooth 5.0Grip weight: 39.6 gWeight: 136 gIncluded: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