Material: SUS440;

Diameters:3-30 mm:

Bore in essence center:The 21 mm.

noodles version diameters 30 mm;
Hardness:HRC 48-52HRC:

Center height: 50mm

Indexing Divide 24 equal every 15°Accuracy+- 10";

Engrave a degree:360 degrees can engrave one
degree top to fix in each one;

Weight: 8.5KG