Stored in a slim and compact case for tool security and easy bit selection. Specifically designed for cordless impact drivers. Diamond-coated bits for anti cam-out. TriTorsion system means that together the bit and holder have three torsion zones to absorb the stresses applied by constant use in impact drivers. Drive and size are colour coded for easy selection of the right bit. Chrome Molybdenum Steel Blades Suitable for Power Screwdrivers with Impact Mode Chrome Molybdenum Steel Blades Suitable for Power Screwdrivers with Impact Mode