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 BRUSHES – AUTOMATICALLY STOPS TOOL WHEN BRUSH REPLACEMENT IS NEEDED. STURDY BELT CLIP – FREES UP HANDS TO DO OTHER TASKS. INCLUDES: 3/8″ KEYLESS CHUCK