The Dotco 10-90 Series Turbine Grinder, model 10R9000-03, is an air-powered precision tool designed for finishing and deburring applications. It features a two-stage turbine motor that delivers a free speed of 100,000 RPM and operates with a 3mm collet. The grinder has a 0.06 hp power output and includes a roll throttle for controlled operation. Constructed with a steel housing and a front exhaust, it is lightweight at approximately 0.441 lbs and measures 5.4 inches in length. This tool requires dry air at 90 psi maximum and does not need air line lubrication. It is commonly used for precision deburring and metal removal in various industrial settings including mold shops and turbine engine repair.