31pieces Ryobi Drilling and Driving Accessory KitFor drilling in wood, plastic and metalThe Ryobi 31-Piece Straight Shank Drill/Drive Kit contains multi-purpose bits to drill metal, brick, wood and plastic. The titanium bits are coated with black oxide for maximum durability. Includes 31 pieces.Titanium-coated drill bits last longer and drill fasterBlack-oxide coating for maximum durability135 Degree, split-point bits to drill on contact and prevent walkingTough, durable case for storageMFG Brand Name : RyobiMFG Model # : A983101MFG Part # : A983101