Industrial Pneumatic Planishing Hammer Smooth Air Polishing Hammer, Sheet Metal Shaping Machine with Foot Pedal & Cast-Iron Stand, Anvil 1",2",3" Specifications: ❖ Color: Blue+Black ❖ Material: Iron ❖ Gross Weight: 22kg ❖ Anvil Size: 1'', 2'', 3'' ❖ Speed: 875-1350rpm ❖ Anvil to Hammer Opening: 4'' ❖ Working Pressure: 50 to 100 (Maximum) Psi Package Included: 1* Industrial Pneumatic Polishing Hammer.