1 4 in. and 3 8 in. Drive Bolt Biter Impact Extraction Socket Set (8 Piece) Number of Pieces:28 This sleek grid hook kit Power That Organizes Your This sleek grid hook kit brings order and polish to basements and utility rooms with a light touch 5Ah battery) to reduce user fatigue KEYLESS CHUCK: Ensures a firm grip on the bit and easy bit replacement BRUSHLESS MOTOR: Provides for a lighter tool with more power and that lasts longer STYLISH: Black design BATTERY: Li ion battery technology offering fade free power and lighter weight than NiCd batteries compact and organized storage Bolt Biter grips rusted or rounded fasteners instead of cutting into them