The Mosaic 2 Wheeled Glass Mosaic Tile Nippers, a dropped forged body for strength and durability, tungsten carbide wheels with a double beveled cutting edge which is perfect for glass and unglazed porcelain tiles, Cut stained glass, Van Gogh glass, mosaic marbles, Broken China tile, seashells, and your thinner pottery pieces up to 1/4" thick. A lightly textured rubber handle for a better grip and a heavy duty spring to make repetitive cutting easier. Use an Allen wrench included for rotating the wheels for even wear. This is a great mosaic tool to have. SOLD OUT, more inventory will be coming.