4" Air Angle Grinder Sander Cut Off Polisher 11000rpm Pneumatic Grinder Tool 1/4" Thread Feature: High‑quality aluminum alloy body, wear‑resistant, not easy to rust and oxidation, long service life. Reinforced alloy cylinder, large gas storage capacity, high pressure resistance, 0.8mpa working pressure. High‑quality movement, stable performance, powerful power output, 11000rpm, high speed, higher efficiency. Equipped with Japan style quick connector, extending the availability of the product. Light weight, the appropriate size of handle, and more comfortable grip, allowing you to focus on your work. Scope of application: automotive, shipbuilding, boiler, foundry, machinery manufacturing and other industries, used to remove burrs, rust, polished welds, sanding, etc. Specification: Grinding wheel size: 4 inches (100mm) Intake thread: 1/4" No‑load speed: 11000rpm Air consumption: 6scfm Working pressure: 0.8mpa Air tube inner diameter: 3/8" Package list: 1 x Angle Grinder 1 x Handle 1 x Grinding Wheel 1 x Fixed Wrench 1 x Wrench 1 x 1/4 inch thread quick connector(Japan Style) Note: The actual product color may deviate from the photo due to light. There may be a slight deviation in the measurement of product. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.