3 Diamond Bead Reamers & Handle Great for Filing Glass, Ceramics, Tile, Brick, Plastics, Wood, Fiberglass, Stone, Rock Carbide, Gold, Platinum, Silver & Metals. This is a new set of 3 diamond bead reamers and handle. Recommended for jewelers, lapidary, hobbies and crafts, modeling, home repair, etc. Holds burs, files, reamers, wire, stock or tubing for filing. These bits are great for filing glass, ceramics, tile, brick, plastics, wood, fiberglass, stone, rock carbide, gold, platinum, silver, metals or anything else that is hard. This master diamond bit set allows you to shape, grind and finish with precision. It is versatile, easy to use and trouble free. Includes 3 diamond tips sizes small, large and a 45 edge reamer. Has an anodized aluminum handle with comfort grip for maximum comfort and a brass chuck so rust is never a problem. Has an easy release chuck friction fitted into the aluminum housing which releases instantly when the collet is unscrewed. The handle is hollow for easy convenient storage of diamond tips. The handle measures approximately 4 1/2" (114 mm) long.