With a high speed of 15,000rpm and an adjustable power regulator to match the speed to the job, the random orbital sander provides a smooth, swirl-free finish whilst the ergonomic hand grip offers enhanced user comfort. The compact, lightweight design makes it easy to use in confined areas and the exhaust directs air away from the operator. The sander uses 75mm (3") backing pads and has a ball bearing construction for a long tool life. Specifications: Motor power: 0.40hp Free speed: 15,00rpm. Air inlet thread: 1/4" BSP. Backing pad: Hook & Loop. Backing pad size: 75mm (3"). Operating pressure: 90psi/6.2bar. Minimum air hose size (ID): 3/8" (10mm). Sound power level: 91dBA. Vibration level: 6.3m/s2. Overall length: 125mm.