15 Amp motor provides the power and durability necessary for the toughest applications * versatile, electronic five-speed motor with 10,000, 13,000, 16,000, 19,000, and 21,000 rpm settings accommodates various router bit cutting diameters and applications * Soft-start feature reduces torque at start-up and motor maintains constant speed under load * Auto-release collet system allows for easy bit removal after use * Precision machined aluminum motor housing and base; Dust-sealed switch and sealed ball bearing construction enhance tool durability