The Clarke CAT176 sander kit benefits from a maximum speed of 20,000rpm for excellent performance and an average air consumption of 12cfm. This model also includes the following accessories: 2 x wrenches 3.2 and 6.4mm collets 5 x 3.1 and 5 x 6.3mm mounted grounding points 5 x 50mm and 5 x 70mm assorted grinding pads 1 x 50mm and 1 x 70mm disc mounting tool Completing this product is a robust manufacture to ensure long term reliability. Maximum speed: 20,000rpm Average air consumption: 12cfm