General description This Draper 4-Piece Impact Screwdriver Bit Set (Model 12542) is designed for heavy-duty power tools, making it ideal for various DIY and home improvement tasks. The set includes four durable impact screwdriver bits that ensure reliable performance. Technical specifications Bit type: Impact screwdriver bits Shank size: 8mm hexagon Contents: 2 plain slot bits (8mm and 10mm), 2 Pozidriv bits (No.2 and No.3) Compatibility and accessories Compatible with impact screwdrivers that accept 8mm hex shank bits Suitable for use with impact driver sets such as Stock Nos. 22322 and 81519 Installation Insert the bit into the impact screwdriver's chuck, ensuring it is securely fitted before use Usage Use for driving screws and fasteners in various DIY, home improvement, and construction projects Suitable for tasks requiring impact driver bits with different slot and Pozidriv sizes