AIR Pneumatic ENGLISH WHEEL Planish-ing Hammer Auto Body 1 2 3" Radius Anvil Air Pneumatic PLANISHING HAMMER Speed: 875-1350 RPM; Air Inlet: 1/4", 18 NPT, female Operating Air Pressure: 50 to 100 PSI Max, 4 CFM; Throat Depth: 19" Anvil Sizes: 1", 2" and 3" Radius;  38.1, 350 Min Quantity: 1; Overall dim: 30" x 24" x 44"