17-piece set in robust fabric box With Rapidaptor technology for lightning-fast bit changes. 16 tough-hard bits, 1/4", 89mm long, for universal application The integrated ratchet with fine teeth (80 teeth/return angle of 4.5°) simplifies and speeds up screw driving by eliminating the need to re-tighten the jaws The ratchet mechanism fully integrated in the handle enables convenient and pleasant work With toggle pawl for easy one-handed changing of working direction, clockwise and anti-clockwise Thanks to the ergonomic shape of the handle, it fills the ball of the hand well and the fingers settle securely in the softly rounded notches in the handle The entire hand gets a grip on the handle, preventing friction losses between hand and handle Bits holder for bits with 1/4" male hex drive in accordance with DIN ISO 1173-C 6.3 and E 6.3