Features 1、Pneumatic grinding machine, low gas consumption, low noise and long service life. 2、Widely used in various molds, metal products, stone, handicrafts, hand ornaments, printed circuit board manufacturing, etc. 3、Made of high-quality aluminum alloy material, durable, wear - resistant, anti-aging. 4、It can also be used for trimming, grinding and cutting of hardware, glass and stone. 5、Small size, light weight, high speed, high concentricity, comfortable to hold and easy to operate. Specification Condition: 100% Brand New Item Type: Pneumatic Grinder Material: Aluminum Alloy Color: Blue Application: Dressing, grinding and cutting of various molds, hardware products, stone materials Working Pressure: 90psi (6.2Bar) Chuck Size: Approx. 3mm / 0.1in No-Load Speed: 20000-25000rpm Air Consumption: 4cfm Intake Port: 1/4BSP Package List 1 x Pneumatic Grinder 2 x Wrench 1 x Product Composition Diagram