These 3/4" Medium Blue Zirconia Alumina Sanding Discs are ideal for use with platinum and work well on gold and silver. These discs are resin-backed for superior durability and aggressively cut and grind metals with a uniform file-like finish. Last up to three times longer than conventional abrasives. Pin-hole centers. Use with a screw mandrel (sold separately).
| Abrasive | Zirconia |
| Abrasive Grit | Medium |
| Arbor Hole | Pin Hole |
| Country of Origin | Thailand |
| Package Size | Pkg. of 100 |
| Rotary Tool Diameter | 3/4" |
