The Astro Pneumatic 203 ONYX Pinstripe Removal Tool is a specialty tool developed for the removal of pinstripes, adhesives, double faced tapes and moldings with ASTRO’S Smart Eraser Pads. It includes a built-in regulator which operates at 4,000 Max. RPM and is lightweight which allows for reduced operator fatigue. It also has spanner wrenches included for easy removal of pad. Specifications – Disc Capacity: 4-Inch, Max. Free Speed: 4,000rpm, Overall Length: 7-3/4-Inch (197mm), Net Weight: 1-1/4lbs./.56kg, Air Inlet Thread NPT: 1/4-Inch, Air Hose I.D. Size: 3/8-Inch (10mm), Avg. Air Consumption.: 4cfm and Air Pressure: 90-120psi.