GMC Dual base Random Orbit Sander (430W) - 920595 Magnesium and carbon fibre construction offers unrivalled strength, durability and light weight. Variable speed and dual bases, 150mm and 125mm, provides flexibility for most sanding tasks, with hook & loop for rapid paper changes. Unique dust extraction canister with micro filtration for efficient dust removal and improved sanding finsh. Fully over-moulded rubber handle and aadjustable secondary handle.