1. 8-inch outside diameter 1800?Grits quality electroplated diamond coated flat lap disk wheel. 2. The flat laps wheels have a 1/2-inch arbor hole for Angle Grinder. 3. They are absolutely flat and parallel to meet the most exacting faceting requirements. 4. For grinding and polishing jewelry glass rock stone granite etc. 5. Recommended for rough and fine grinding on faceting material plus general lapidary grinding when precision is required. Specification: Product Name: Diamond Disc Package Content: 1 x Diamond Disc Weight: 251g Material: Metal Diamond Coated Color: Silver Tone Outer Diameter: 200mm / 8-inch Arbor Hole Diameter: 12.7mm / 1/2-inch Thickness: 1mm / 0.04-inch Grit: 1800
