Spring Action Stone Changes - makes stone changes fast and easy

Golden Star 800 grit and 1000 grit are included in Boride stone bundles

Bethesda Black stones are mounted on high-quality aluminum blanks

Full CS-HD 9 stones CS-HD 120

umajiyama namito asagi whetstone 6 x 1 back-in-stock Spring Action Stone Changes -The stones were cut from a bench stone, parallel to its original working surface. The stones are custom cut from bench stones sourced from a reliable Japanese seller, then lapped, mounted on high quality aluminum blanks, and laser engraved. All operations are performed in house at Gritomatic. Production run: 10 pcs of 6" + 12 pcs of 4". Japanese name (Kanji): Name breakdown: (Umaji) the Umaji mine (abbreviated form of Umajiyama, without the "yama