Wera Bit-Check Universal 30 Piece SetWERA TOOLS BIT CHECK 30 PIECE SET 29 bits in a minimum of space; simple removal and reinsertion of the bits. Rapidaptor holder ensures rapid bit change. Universal bits fitted for diverse applications; robust Bit Check. FEATURES Upright positionable, multi component Bit Check Rapidaptor holder for rapid bit change Universal bits for all fields of application Rapidaptor technology for rapid bit changeTough viscous bits for universal use INCLUDES 889 4 1