4 Pin Vises Diamond Coated Bead Reamers Beading Tools. Pin Vise. This is a new pin vise. It can be used as a hand drill with small twist drills and a screwdriver with small screwdriver blades. Has a capacity of 0 to .125" (0 to 3.2 mm). Measures approximately 3 1/2" (88 mm) long 3 Diamond Bead Reamers. This is a new set of 3 diamond bead reamers. Recommended for jewelers, lapidary, hobbies and crafts, modeling, home repair, etc. 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. High quality, long-wearing diamond-plated steel provide uniform cutting on wide a variety of materials. Use with water for lubricant. Longevity is assured as the diamond particles are electroplated onto the surface of the metal. They are versatile, easy to use and trouble free. We work hard to update our descriptions and pictures of our merchandise. As part of a process of ongoing innovation by our suppliers, newer versions of the item shown may be shipped before we are able to complete an update. As a result there may be a slight variation in color and design.