The material of manufacture is chrome vanadium steel, double helix. The set includes the following diameters: 4 mm, 5 mm, 6 mm, 8 mm, 10 mm:
The material of manufacture is chrome vanadium steel, double helix. The set includes the following diameters: 4 mm, 5 mm, 6 mm, 8 mm, 10 mm: