The integrated screwdriver / nut driver shaft on the 11-in-1 Magnetic Screwdriver/Nut Driver holds 8 popular tips and converts to 3 nut driver sizes. The shaft contains powerful Rare-Earth magnets for better fastener retention and is interchangeable for quick and easy switch out. The Cushion-Grip handle allows for greater torque and comfort. This versatile 11-in-1 multi-tool has everything the professional tradesperson needs to make the job a little easier.