The DeWALT® 5/16 x 1-7/8 in magnetic impact READY® nut driver is designed to perform at a professional standard in impact drivers and wrenches. With its recessed corners, the nut driver can be used on flats, minimizing shavings and allowing you to maintain a professional work area. This nut driver pivots up to 20 deg so you can use it without hassle even in tight spaces and corners. DeWALT® tools are designed to inspire confidence and with its industrial strength magnet you can be confident that this nut driver will stay in place when you need it to.