Description Parameter Information: Brand: TORO No load Speed: 4000rpm/15000 - 22000 rpm Air inlet Size: 1/4 Inch Working Pressure: 90 Psi Air Consumption: 4 cfm Product Name: Pneumatic Needle Bundle Deruster Head Mode: TR-9190/ SY-43690 Material: High-carbon steel Color: Black Each Needle Diameter: 2.9mm/3mm Air Pressure: 0-90Psi(6.3Bar) Features: - High efficiency needle bundle type rust remover head, light and easy to operate. - Efficient removal of uneven rust surface. - Efficient removal of welding slag. - Rust Removal Needle for Alloy Steel, Durable. Application: Stone carving, Removal of coating, rust and welding slag, Light burr removal, Removal and stripping of construction machinery and ship bridges (for example, the removal of the clay, the removal of rust, the removal of the caked clay, the removal of the tiles, or the removal of various kinds of clay, by construction machinery.) Packag 230mm package: 1 x Pneumatic Needle Bundle Deruster Head 325mm package: 1 x Pneumatic Needle Bundle Deruster 1 x Air Inlet Connector 1 x Instruction Manual