The makita impact black series is designed for use with impact drivers. These accessories are made from s2 steel with additional heat treatment for higher strength and longer service life, and are manufactured with a high level of precision to ensure excellent hold on fasteners. Including a variety of 25mm and 50mm screwdriver bits, a bit holder and three nut drivers, the organiser case also features a compartment with additional storage space for other equipment. Features and benefits part of the impact black series of accessories for impact drivers impact rated nut drivers for 8mm, 10mm and 13mm fasteners impact rated screwdriver bits for phillips, pozi and torx screws impact rated magnetic screwdriver bit holder case includes a clear storage compartment for storing additional equipment specifications shank: 1 4 hex contents ph1 screwdriver bit 25mm ph2 screwdriver bit 25mm x4 ph3 screwdriver bit 25mm pz1 screwdriver bit 25mm pz2 screwdriver bit 25mm x3 pz3 screwdriver bit 25mm t10 screwdriver bit 25mm t15 screwdriver bit 25mm t20 screwdriver bit 25mm x3 t25 screwdriver bit 25mm x3 t30 screwdriver bit 25mm x3 t40 screwdriver bit 25mm x2 ph2 screwdriver bit 50mm x2 pz2 screwdriver bit 50mm t20 screwdriver bit 50mm x2 t25 screwdriver bit 50mm x2 t30 screwdriver bit 50mm 8mm nut driver 10mm nut driver 13mm nut driver 60mm magnetic screwdriver bit holder clear storage compartment plastic organiser case