DESIGN Please note that the cutting wheel is movable and the plastic breaking bar is not fixed. High leverage design for maximum grip. Ergonomic two-tone TPR handles for a comfortable, non-slip grip. The spring reduces hand and wrist fatigue, making tile installation easier. USAGE Step 1: Place the tiles on a flat surface. Then scrape the tile with the cutting wheel. Step 2: Place the mosaic pliers on top to break the tile. Step 3: Break the tile in half. USAGE The tungsten carbide cutting wheel is ideal for easily and quickly cutting glass tiles (polished tiles not included), porcelain, mosaic, wall and floor ceramics, stained glass, and mirrors. Ideal for repairing broken tiles and making specific cuts in corners. SPECIFICATIONS 200 x 2 mm. Maximum cutting thickness: about 9.5 mm (0.37 in). Grinding wheel diameter: 15 mm (0.59 in). RUSTPROOF OIL Anti-rust oil may appear on the pliers, which protects them from rust. This product is not dirty or worn; you can clean it with a towel without affecting its function.