Features:_x000D__x000D_Good quality and practical, a perfect set of tools for polishing and grinding. _x000D_Compressed air for power, energy saving and environmental protection. _x000D_This air wet sander can be used with water, low noise and less dust. _x000D_The speed of air sander can reach to 10000rpm, strong power output, good polishing performance. _x000D_Suitable for grinding and polishing of dry and fragile articles and materials that are not resistant to high temperature. When pneumatic water grinding works, it can be cooled and humidified by water to protect the workpiece to be processed. _x000D__x000D_Specification:_x000D_Model: SY-8127_x000D_Speed: 10000rpm_x000D_Air consumption: 4.0cfm_x000D_Disc size: 5"_x000D_Inlet: 1/4"_x000D_Air pressure: 90psi_x000D_Water pipe diameter: 4*6mm/ 0.16*0.24in_x000D_Water pipe length: 5.5m/ 18.0ft_x000D_Weight: Approx.1100g/ 38.8oz_x000D__x000D_Package List:_x000D_1 * Pneumatic Water Sander_x000D_1 * Inlet joint_x000D_1 * Water pipe_x000D__x000D_Note:_x000D_Please allow slight error due to manual measurement. Thanks for your understanding. 1Good quality and practical, a perfect set of tools for polishing and grinding. 2Compressed air for power, energy saving and environmental protection. 3This air wet sander can be used with water, low noise and less dust. 4The speed of air sander can reach to 10000rpm, strong power output, good polishing performance. 5Suitable for grinding and polishing of dry and fragile articles and materials that are not resistant to high temperature. When pneumatic water grinding works, it can be cooled and humidified by water to protect the workpiece to be processed.