The Alpen HSS Sprint 25-Piece Drill Bit Set contains high-speed steel jobber drills ranging from 1–13 mm, manufactured to DIN 338 RN standard for precision and durability. Each bit is optimised for drilling into steel and general metal work with reduced breakage and extended tool life. Supplied in a protective metal case, this set is essential for electricians, engineers, fabricators, and maintenance professionals who require a complete range of drill sizes for daily workshop use.