Anti-vibration system: Ensures safe and comfortable work with minimal vibrations and excellent noise reduction. StarlockPlus tool holder: Achieve more progress and higher precision thanks to 100% loss-free power transmission. QuickIN: Tool changes in under 3 seconds with the patented tool-free FEIN quick clamping system. With the StarlockPlus tool holder, you have access to around 100 FEIN accessories from the Starlock and StarlockPlus performance classes. DC motor: Effective and torque-strong motor technology for nearly identical performance to the mains version. Tachogenerator: Constant speeds even under load and stepless electronic speed control. Metal gearbox: High load capacity and maximum lifespan, as all gearbox components are made of metal. Mechanical interface: For stationary operation in a table or drill stand holder or for attaching the depth stop. Electronic Cell Protection (ECP): ECP protects the battery from overload, overheating, and deep discharge. COOLPACK technology ensures a longer battery life, allowing for extended operating times. The battery charge level is directly readable on the battery. Compatible with AMPShare/Bosch Professional 18 V batteries. Features amplitude: 2 x 1.7°.