Gokumyo stones are universal and can be used to sharpen knives of any steel including high carbon

The adapter is suitable for turning frames of K02 (produced in 2018)

Guangxi stones should be used with water

The angle should not change when replacing one sharpening stones to another

hapstone rs ultra knife sharpener bestseller Gokumyo stones are universal andHapstone RS ULTRA includes the latest upgrades for RS platform, such as Universal Clamps, Precise Angle Adjuster and Advanced Stone Holder. Hapstone RS ULTRA is packed in soft case. Hapstone RS Platform Hapstone RS Rotating Clamp Module Precise Angle Adjuster for Hapstone RS Advanced Stone Holder with Linear Bearing for Hapstone RS 2x RS Whole Milled Angled Clamps 2x RS Universal Angled Clamps Spring Assisted Stopper Digital Angle Gauge (battery not