Cuts tile, glass and glass rods. Quickly cut and/or shape lots o glass for mosaic projects. Jaws open to 9/16”. Carbide cutting wheels are 7/8” in diameter. All steel construction.A Great Gime Saver for Nipping Glass Now even a beginner can create beautiful glass mosaics. Use for easy and fust cutting of glass, smalti, Venetian glass tiles, and small procelain tiles, too! A multi-purpose tool - bead makers use this handy tool to quickly nip their rods in to shorter pieces.