The E-10883 is the complete home repair kit from Makita and replaces the Popular P-90532 General Maintenance Kit and contains almost all the same components. This is a versatile tool and accessory kit in a quality carry case for a work site or a garage. Comprising of 221 pieces it contains all the parts necessary to complete the job to the highest standards. In addition to the set itself we have also included a 5 Piece 50mm Impact Premier Screw Bit Set Impact Driver + Keyring. Makita Premier Torsion Bits feature a unique design which focuses the forces exerted on a regular screw bit away from the tip, meaning less chance of breakage. Impact Premier Torsion bits can last up to 10x longer than a regular screw bit, whilst an Impact Premier Insert bit can last up to 15x longer than a .