A top quality industrial set of TEN double ended mixed impact torsion screwdriver bits, 65mm in length. Specially designed for use with impact drivers but are universal so can be used with cordless screwdrivers and hand interchangeable screwdrivers. They have a 1/4" hex shank so will also fit all standard power and hand drill chucks. Manufactured from high grade S2 hardened steel for heightened durability and longevity. Coated in black oxide to inrease resistance to corrosion. Torsion zone to allow flexibility for reduced risk of damage or breakage. Laser etched size markings for easy identification. They conform to ISO standard DIN8764 for peace of mind. Each set consists of: 4 x PZ2, 2 x PZ3, 2 x PH2, and 2 x T30. Supplied in a handy clip shut case for neat storage and transportation.