45° 45mm Diamond Grinding Wheel with 1/4" Mounting Mandrel for Drill Die Grinder

2-12mm Diamond Concave Grinding Head Wheel 1/4" Shank for Polishing Jade carving. 2–12mm Diamond Grinding Wheel Coarse/Fine Concave Wheel 6mm Shank For Glass Jade. 65-230mm Porcelain Tile Thin Diamond Cutting Disc Grinding Blade Wheel w/ Flange.

eBay