The DEWALT 1/4" x 2-9/16" Magnetic Nut Setter (DW2221B) is designed with a patented geometry 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° 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.