High-grade steel design block with 14 full half-sphere and 8 half- circular depressions that are precision-machined, hardened and polished to meet rigorous quality standards.
Sizes from 4mm to 25mm.
![](https://d31wxntiwn0x96.cloudfront.net/rctzda/productimages/480.jpg?width=400&height=400&etag="dce7b1214c9a068c431b9ec6399a8a78")
High-grade steel design block with 14 full half-sphere and 8 half- circular depressions that are precision-machined, hardened and polished to meet rigorous quality standards.
Sizes from 4mm to 25mm.
