Chinese Bluestones stones are universal

and 6061 aluminum alloy

5" to 8" long)

Please make a deliberate choice

4 inch stone holder for work sharp precision adjust Chinese Bluestones stones are universalWork Sharp Precision Adjust is a fantastic sharpener. However, it's limited by stock sharpening stones mounted on the proprietary holder. Premium 4" Stone Holder for Work Sharp Precision Adjust overcomes the limitation. As of today, you may use any 4" sharpening stones including the KME form factor and Venev Dog Series dual side diamonds. Premium Stone Holder is made of metal. Note. It's very important to keep a sharpening angle consistent. The angle