Worx WA9005 Quadro 100 Piece Drilling and Driving Set in Plastic Tower Dispenser Complete Selection of drilling and driving bits in compact storage tower Top Release button opens designated panels Extra Storage compartment in the middle for a screwdriver or extra long bits Contains 19 HSS, 10 masonry and 8 wood dril bits, 41 1" screwdriver bits, 14 2" power driving bits, 6 nutsetters, 1 bits holder and 1 socket adapter.