The Draper 4 Piece Impact Screwdriver Bit Set provides essential replacement and spare bits for manual impact screwdrivers, featuring an 8mm hexagon shank compatible with Draper impact driver systems. This bit set offers versatile fastening options for stubborn or seized screws that resist conventional screwdriving methods. The 8mm hex shank design ensures secure retention in compatible impact screwdrivers, maintaining proper alignment during striking action. With two plain slot bits and two Pozidriv bits included, the set covers common screw head types encountered across general maintenance, automotive work, and equipment repair applications. Ideal for use with Draper Stock Nos. 22322 and 81519 Impact Screwdriver Sets, these replacement bits allow tradespeople and technicians to maintain their manual impact tools with the correct components. The plain slot bits suit traditional slotted fasteners, whilst the Pozidriv bits handle cross-head screws requiring positive engagement under imp