Specifications Name Electric Rotary ToolModel GDR 2Product Size 128 x 16 x 16 mmPackage Size 155 x 68 x 22 mmNet Weight 40 gVoltage DC3 6VBattery Type Type C Charging Port 280mAh Lithium BatteryDiameter Suitable for 2 35mm handle diameter grinding headsSpeed 37 000 RPM mApplication Ideal for chip IC grinding cutting motherboards removing screws and engraving tasks Features 1 Precise and Adaptable Rotation SpeedsDesigned with three adjustable speed gears allowing users to handle diverse tasks with precision from grinding to cutting and engraving 2 Reliable Chip and Motor Safety ProtectionAutomatically shuts down when excessive resistance or load current is detected offering enhanced protection for both the motor and chip increasing operational safety 3 Ergonomic Steel ConstructionCompact lightweight design crafted with solid steel ensures comfort during extended use while maintaining control and accuracy 4 Wireless Operation with Enhanced Battery LifePowered by a Type C rechargeable 280mAh lithium battery it lasts up to 100 minutes per charge eliminating the constraints of wired connections 5 Diverse Grinding CapabilityEquipped with 9 different grinding heads to efficiently meet various tasks and degrees of polishing requirements suitable for professional repairs and craftsmanship Package Included 1 x GDR2 Electric Polish Pen9 x Grinding Heads