The Ingersoll Rand Angle Die Grinder is ideal for weld grinding, deburring, surface prep and polishing. Delivers superior control when trying to get into hard-to-reach places. CFM at Load: 18, Speed (RPM): 20,000, Tool Length (in.): 5 15/16, Min. Hose Size (in.): 3/8, Side Handle: No, Air Consumption (CFM): 3, Air Inlet Size (in. NPT): 1/4, Collet Size (in.): 1/4