A toolbox essential, the Silverline General Purpose Screwdriver Set consists of a selection of types and sizes of screwdrivers for every application in general DIY and building work. Hardened and tempered chrome vanadium steel shanks with chemically blackened tips enable great grip and make them resistant to corrosion. The ultra-comfortable, high-grip ergonomic handle provides excellent control during usage and torque transition, allowing you to insert and remove screws quickly, easily and efficiently.