40 New Diamond Coated Burs & Organizer 40 Burs This is a new set of 40 diamond coated burs These are medium 100 grit This master diamond bur set allows you to shape, grind and finish with precision Great for filing glass, ceramics, tile, brick, plastics, wood, fiberglass, stone, rock carbide, gold, platinum, silver, metals or anything else that is hard Recommended for jewelers, lapidary, hobbies and crafts, modeling, home repair, etc Assortment includes various sizes of round, cone, inverted cone, tree, bud, cylinder and knife edge burs Provides uniform cutting on wide a variety of materials Use water for lubricant All have a 3/32" (2.5 mm) shank Lucite Organizer This is a new lucite organizer Attractive and functional, this 40 hole bur stand is perfect for organizing all your burs, drills, mini brushes, etc The holes are for 3/32" or 1/8" (2.5 or 3 mm) shank instruments It measures approximately 4 1/4"x 3" x 3/4" (108 x 76 x 19 mm)