The DEWALT DT71517T-QZ Right Angle Torsion Drill Attachment is durable and has a compact design that allows it to fit in tight spaces where work is difficult to perform and is perfect for driving screws and drilling holes at awkward angles. It is ideal for cordless drills and accepts standard 1/4in hex shank accessories. Torsion bits have a Flexible Torsion Zone that absorbs torque peaks and reduces breakage. Includes the following: 3 x 25mm Pozidriv Bits: PZ2.2 x 25mm Phillips Bits: PH2.4 x 25mm Torx Bits: T10, T15, T20 & T25.