Wera Kraftform Kompakt 400T handle shape to allow high torque transmission in difficult tightening and loosening situations. Ergonomic shape of the handle fills the palm of the hand well, the fingers lie safely in the soft rounded handle recesses. Bit holder for bits with 1 4'' hexagon drive Rapidaptor technology for lightning fast bit changes 17 pieces Kit includes: 416 R T handle bitholding screwdriver Rapidaptor Phillips 89mm long bits (PH 2, PH 3) Pozidriv 89mm long bits