Description:1. 4 inch outside diameter, 120 Grit , Quality electroplated diamond coated flat lap disk wheel.2. The flat lap wheels have a 1/2-inch arbor hole.3. They are absolute flat and parallel to meet the most exacting faceting requirements.4. For grinding and polishing, glass, rock,stone,etc.5. Recommended for rough and fine grinding on faceting material plus general lapidary grinding when precision is required.Specification:Product Name: Diamond DiscWeight: 640gMaterial: Metal,Diamond CoatedColor: Silver ToneOuter Diameter: 300mm / 12-inchArbor Hole Diameter: 12.7mm / 1/2-inchThickness: 1.4mm / 0.055-inchGrit: 120Package Content: 1 x Diamond Disc.
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