The DEWALT Full Fit Telescoping Multi-bit Ratcheting Screwdriver is designed for maximum fit in fasteners and reduces the potential for stripped screws. The telescoping bar provides the right amount of length when needed and retracts for storage. Its 45-Tooth premium ratcheting mechanism allows for smooth and consistent movement. Fitted with an ergonomic quad-lobe, bi-material handle for comfort and maximum torque. It also features a magnetic screw lock system, keeping fasteners secure during horizontal or vertical usage. Supplied with: 5 x 25mm Bits: PH1, PH2, SL4, SL6 SQ2. 5 x 50mm Bits: PH1, PH2, SL4, SL6 SQ2.