Smith's Abrasives Diamond Combination Sharpener YHDCS4 Steel Storage They are brilliant when used

They are brilliant when used dry for removing pet hair from fabric too

Easy assembly using supplied hex bolts & pre inserted rivnuts

Typical hardness 60-65 HRC (1st layer)

Spindle Speed Tool Steel RPM:764

It is compatible with the i-BOXX rack and the LS-BOXX

Smith's Abrasives Diamond Combination Sharpener YHDCS4 Steel Storage They are brilliant when usedFeatures 2 STAGE SHARPENER Two sided sharpening stone that features coarse and fine grit surfaces. Each side is color coded and clearly labeled for easy grit recognition. MICRO SHARPENING PAD Both sides of the stone feature a micro tool sharpening pad and sharpening groove that is perfect for fish hooks and pointed tools. INNOVATIVE DESIGN Each stone has a unique interrupted surface design that speeds up sharpening by collecting and holding metal