Klein Tools 32510 Magnetic Screwdriver with 32-Piece Tamperproof Bit Set features a sturdy bit and screw holding magnet that allows for screws to fit securely in place for easy use. The cushion-grip handle provides both greater torque and comfort. It includes the complete tamperproof bit set in a PVC gray block. The block slides over most screwdriver shafts for easy bit access and storage. The bits are industrial strength and heat-treated for long-lasting use. The set includes a 1/4" square to 1/4" hex adaptor to drive sockets. The 32510 Magnetic Screwdriver with 32-Piece Tamperproof Bit Set is a great addition to any tool box.