Diamond resin bonded foam backing grinding wheel
Diameter:150mm, Width:1-1/2" 38mm, Arbor:1" 25.4mm
Available grits: 140#, 280#, 400#, 600#, 1200#, 3000#, 5000#, 8000#, 14000#
Foam backing(3/8" thick), Plastic hub made of ABS plastic
Soft wheel for polishing, sanding, shaping, cabbing and grinding most stones and gemstones.