Features EFFICIENT AND FAST: The pneumatic sander has an ultra high speed of 13000RPM, which is suitable for a variety of fine mirror polishing, efficient and durable PNEUMATIC TOOLS: Manual sander is driven by compressed air, energy saving and environmental protection, easy to operate STANDARD SIZE: This pneumatic grinder has a standard interface and is available in 1/4in air inlet size and 5in grinding disc size for easy installation and use WIDE RANGE OF APPLICATION: Pneumatic palm sander working pressure is 0.6‑0.8MPA, widely used in auto body, furniture, hardware electronics and other products rust removal and grinding LIGHTWEIGHT AND COMFORTABLE TO FEEL: Pneumatic palm sander shell is made of high grade alloy accurate casting, lightweight and easy to handle in one hand for long periods of operation Specification: Item Type: Air Random Orbital Sander Free Speed: 13000rpm Yaw Diameter: Approx. 5mm / 0.2in Chassis Diameter: Approx. 125mm / 5in Shell Material: Aluminum alloy Working Air Pressure: 0.6-0.8Mpa Air Inlet Connector: 1/4in Package List:1 x Air Random Orbital Sander1 x Wrench Package List 1 x Air Random Orbital Sander 1 x Wrench