Equipped with high-quality bits, bit ratchet (die-forged solid steel design), bit holder with quick-change chuck (Rapidaptor technology) and socket adapter. For use with hand and power tools (conventional cordless screwdriver)Contents: 1 bit holder (50 mm)1 bit ratchet (Zyklop Mini ratchet with direct socket mount)1 bit for slotted head screws in 5.5 x