FEATURES: -CNC crafed machine body from aircraf aluminum, bright finished & anodized. -Detachable motor bolt for ease of maintenance. -Powered by Swiss Made Motor,Maxon Motor Working Voltage: 5~9 V DC Use lower volts for shading & higher volts for lining work Weight: 95 g Dimension: 72*31*50mm Stroke: 3.8mm Lubricating the machine every two or three weeks is recommended. No cartridge grip included in the box. Note: this machine comes with 3mm drive bar, compatible with Cheyenne grips, FK irons RPG grips.BIGWASP grips