General description The 14 pieces recessed screwdriver insert set features a unique recessed sleeve design that ensures a firmer grip, making it easy to install and disassemble. The set is made of high-quality steel, providing rustproof and non-slip performance, with high occlusion for a tight and flexible fit. It is compatible with most corded and cordless drills, making it a versatile addition to your toolkit. Technical specifications Number of pieces: 14 Hexagon sizes: 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm Machining depth: 34 mm Compatibility and accessories Compatible with pneumatic screwdrivers Compatible with electric screwdrivers Compatible with pneumatic drills Compatible with electric drills Compatible with manual screwdrivers Installation Easy to install and disassemble Includes an 80mm impact wrench socket for hard-to-reach nuts or bolts