Professional bit set, used for unscrewing special screws of the following types: torx, spline, hex Made of the highest quality S 2 tool alloy steel, which is characterized by high hardness HRC 58 62, uniform, fine-grained material structure, resistance to torsion, high tightening torque, excellent hardening The variety of bits provides the ability to perform a wide range of work in specialized mechanical and automotive services Parameters: • ean: 5906083904004 • drive: 1/2", 3/8" • tip outside diameter [mm]: 10 • quantity included: 40 • length [mm]: 30. 75 • material: AISI S 2 • size: H 4-H 12, M 5-M 12, T 20-T 55 Package contents: • 30 mm torx bits: T 20, T 25, T 30, T 40, T 45, T 50, T 55 • 75 mm torx tips: T 20, T 25, T 30, T 40, T 45, T 50, T 55 • 30 mm spline ends: M 5, M 6, M 8, M 10, M 12 • 75 mm spline ends: M 5, M 6, M 8, M 10, M 12 • hex (hex) ends 30 mm: H 4, H 5, H 6, H 7, H 8, H 10, H 12 • hex (hex) ends 75 mm: H 4, H 5, H 6, H 7, H 8, H 10, H 12 • converter with 1/2" socket for 10 mm bits • converter with 3/8" socket for 10 mm bits • case