Bosch 21mm 1/2\" Impact Control Scaffold Socket 2608522308 Ideal for scaffolders, this highly robust 21mm impact socket provides impact control, and is a highly robust socket which allows for heavy-duty screwdriving applications with impact wrenches. Crafted from S2 modified steel and strengthened with an optimised heat treatment process, this impact socket is the perfect tool for screwdriving hex screws with wrenches and impact drivers. FEATURES Highly robust Ideal for heavy duty applications Use for screwdriving applications with impact wrenches and drivers S2 modified steel Optimised heat treatment Extra tough endurance SPECIFICATION Diameter: 21mm Length: 77mm Shank: 1/2\" Part Number: 2608522308