Introducing ImpactX™, Makita’s comprehensive line of impact-rated insert bits and fastening accessories. ImpactX™ is designed specifically for the demands of professional users. Engineered from the ground up to work with today’s wide range of industrial fasteners and the force of high-torque impact drivers, ImpactX™ delivers superior fitment, reduced cam-out, added durability and outstanding performance for any job application. The ImpactX™ 50 Piece Bit Set includes (32) 1" Insert Bits, (10) 2" Power Bits, (2) 3-1/2" Power Bits, (2) Insert Bit Holders, (1) 2" Socket Adapter, and (3) 1-3/4" Nut Drivers.