Description Best In Class Power-to-Weight Ratio - Maximum power at minimum weight 3"8 Jacobs Ratcheting Keyless Chuck - Holds accessory exceptionally well for minimal slipping Improved Lock-on Switch Design - Recessed in handle to prevent accidental lock-on New Soft Grip Handle Design - Now has soft grip for added comfort Oversized 2-Finger Trigger - Greatly increases comfort when frequently changing drilling speed Service Minder(tm) Brushes - Automatically stops tool when brush replacement is needed Sturdy Belt Clip - Frees up hands to do other tasks