From the Manufacturer
Dewalt DW2219IRP 5/16-Inch Magnetic Impact Ready Pivoting Nutdriver is designed for use in Impact Drivers and Wrenches. The recessed corners provides drives on flats which minimizes shavings, and the industrial strength magnet maximizes fastener retention. This pivoting product pivots up to 20 degrees, allowing one to get into tight spaces or corners.
The DEWALTÂ 5/16 In. Magnetic Pivoting 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 20Â so you can use it without hassle even in tight spaces and corners. DEWALTÂ 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.