Ruby stones are made of Alumina ceramic with a high hardness rating and estimated grit approximately 3000 JIS

Dan's mineral oil or water

📐Magnetic Digital Angle Gauge Holder

Rosy Red - high-grade soft or hard stone with red veins

Boride T2 220

tsprof diamond set for edge pro bestseller Ruby stones are made ofTSProf Diamond Plates provide fast metal removal and can be used for the repair of damaged cutting edges. Electroplated diamonds don't require preparation. The set consists of 5 diamonds: 150, 220, 400, 600, and 1000 grit. Diamonds are recommended to be used with water as a lubricant. Just splash, or use a water spray.