Master version has a blade fixation by magnets

but unlike synthetic abrasives

no prep needed before use

stones may have little defects

The kit includes an extended front plate for the pivot

basic diamond set for edge pro Master version has a bladeBasic Diamond Set is used for sharpening knives on Edge Pro compatible knife sharpeners. Diamonds offer excellent performance in sharpening knives of any steel including high carbon, vanadium, and chromium steels. Diamond bearing plates are mounted on the high quality aluminum blank with laser engraving. The set consists of 3 diamonds: 240, 600, and 1000 grit. Diamonds are recommended to be used with water as a lubricant. Just splash, or use a water