Durston's high-grade tool steel, 70mm dapping block has 26 half-spheres in sizes 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 19, 21, 23, 25, 27, 30, 34, 38, 42, 47, and 52mm. Made in UK.
| Brand | Durston Tools® |
| Country of Origin | United Kingdom of Great Britain and Northern Ireland |