Features Good quality and practical, a perfect set of tools for polishing and grinding. Compressed air for energy, energy saving and environmental protection. This air wet sander can be used with water, low noise and less dust. The speed of the air sander can reach 10000rpm, strong power, good polishing performance. Suitable for grinding and polishing dry and fragile items 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. Features: Good quality and practical, a perfect set of tools for polishing and grinding. Compressed air for energy, energy saving and environmental protection. This wet air sander can be used with water, low noise and less dust. Air sander speed can reach 10000rpm, strong power, good polishing performance. Suitable for grinding and polishing of dry and fragile items 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. Specification: Model No.: SY-8127 Speed: 10000 rpm Air consumption: 4.0cfm Disc size: 5" Input: 1/4" Air pressure: 90 psi water pipe diameter: 4 x 6 mm / 0.16 x 0.24in Water tube length: 6 m / 19.7ft Weight: Approx.1100g / 38.8 oz Package List: 1 x Sander Water Tire 1 * Joint Entry 1 x Water Pipe Note: Please allow small error due to manual measurement.Thank you for your understanding. Package List