Part of the Impact Pro Performance Series from IRWIN, this magnetised bit is designed for heavy duty professional applications. A simple yet effective way of retaining and unscrewing even recessed or stubborn screws and bolts, the product suits 57mm, 89mm or 15mm lengths. Features and Benefits Compact design makes the product easy to transport and store to take with you to every job The rare earth magnet ensures stronger and more reliable screw retention and less danger of slipping or dropping fasteners Easily interchangeable between bits for versatility of use Easy release mechanism allows you to detach from the fastener at any given time Typical Applications Engineering DIY Construction