General description Includes 4 essential tools for the installation of pneumatic screwdrivers, electric screwdrivers, air drills, manual screwdrivers, and other hex tool applications. The 105-degree angle extension allows access to hard-to-reach areas, making it a great addition to your toolkit. The 1/4 inch hex drive shaft enables quick changes and fits most power drills and driver chucks. Technical specifications Hex Shank Diameter: 6.35mm (1/4") Flexible Shaft Length: 29cm (11.42") Extension Lengths: 60mm (25g), 100mm (32g), 150mm (40g) Universal Socket Size: 7-19mm Weight: 95g (black/silver), 150g (universal socket), 158g (105° angle screwdriver bit), 96g (short screwdriver bit) Shank Sizes: 1/2" (12.7mm), 3/8" (9.5mm), 1/4" (6.35mm) Flexible Screw Bit Holder Length: 295mm, Weight: 78g Compatibility and accessories Compatible with electric drills, screwdrivers, and pneumatic screwdrivers Connects to standard 1/4 hex bits Includes 3 hex shank magnetic screwdriver bits and 1 right