1Stainless steel movement, high hardness, CNC precise machining, stable rotation. 2No load speed up to 10,000 revolutions per minute, High efficiency speed, time saving and labor saving. 3High quality accessories, accurate assembly, stable performance, durability, and long service life. 4High speed eccentric rotation, more efficient polishing, no eddy marks on the surface. 5Fast grinding speed, high horsepower, high balance, greatly improving work efficiency. Item Type: Orbital Sander Material: Alloy Steel Model: KP-652 Chassis Diameter: Approx. 125mm / 5in Deflection Diameter: Approx. 5mm / 0.2in Free Speed: 10000rpm Working Pressure: 0.6-0.8MPA Intake Connector: 1/4 (6.35mm) 1 x Dry Grinder 1 x Connector 1 x User Manual 1 x Wrench