SIP 01607 1/4\" Air Die Grinder Kit The SIP 01607 Die Grinder Kit features a premium, robust 1/4\" grinder and a selection of accessories, manufactured from robust, durable materials. This kit comes complete with 10 common grinding stones and 2x hand wrenches for rapid bit changeover. Features: Durable 1/4\" Die Grinder: High 22,000rpm no-load speed 4.0CFM average air consumption 90psi (6.3 bar) working pressure Robust and durable quality built Compact and lightweight design Comes with: 10x common grinding stones 2x hand wrenches Blow-moulded storage case 1x quick coupler 1x 1/8\" collet 1/4\" BSP air inlet Specification: Grinder Shank Capacity: 1/4\" No-Load Speed: 22,000rpm Operating Pressure: 90psi (6.3 bar) Air Consumption: 4.0CFM (115 litres/min) Collet Size: 1/4\" + 1/8\" Sound Pressure (LpA): 83dB(A) Sound Power (LwA): 94dB(A) Vibration: 2.06m/s² Air Inlet: 1/4\" BSP Gross Weight: 1.3kg Packaged Dimensions: 60 x 230 x 200mm