Electronic 5 speed motor with 10,000, 13,000, 16,000, 19,000 and 21,000 rpm settings Auto-release collet system allows for easy bit removal Depth rod with 6-position adjustable turret enables stepped or repeated plunge cuts Handle incorporates trigger switch with lock-on feature Dust-sealed switch and sealed ball bearing contruction Base: 7" round Weight: 17.25 lb Includes: 1/2" collet and collet wrench