Description:Total diameter: Approx

100mm/3

94inch; hole diameter: approx

16mm/0

63inchThey are absolutely flat and parallel to meet the most exacting faceting requirements

For grinding and polishing jewelry, glass, rock,stone, granite,etc

for rough and fine grinding on faceting material plus general lapidary grinding when precision is requiredMulti-sizes:80 Grit,180 Grit,240 Grit,320 Grit,400 Grit,600 Grit,800 Grit,1000 Grit,1200 Grit,1500 Grit (some items has double blades)Package Includes:1 Piece Diamond Grinding Pad