Specifications 1)Material:42CrMo & Yk20
2)Tapered:6,7,11,12
3)Technology:cold pressing
Features:
1) Tapered connection: 6, 7, 12o 2) Material:42CrMo & Yk05 3) Diameter: 30-45mm
4) Available types: sopherical & ballistic
Packaging: wood or plastic box