Montolit crab nippers delivers superior results when cutting hard ceramics, glass, or tiles from 3 mm to 15 mm thickness. The forward facing wheel bites the glass differently than other nippers. This creates a new cut style to add to your mosaics. Sign up for a cutting lesson to learn the cuts Kory can create with this tool. These crab nippers are modified by Marvelous Mosaic Fine Art and come ready to use for stained glass and tiles.