The unique jaw design is lightweight, fast, labor-saving and neatly cut. Good tool for cutting and shaping your craft products. The Twin blades can be perfectly used for cutting glass tile, porcelain, mosaic, wall & floor ceramic, stained glass and mirror easily and quickly. Suitable for cutting ceramics, glass, etc. Made of drop forged high carbon steel and heat treated for strength and durability, and additional black finishing increases rust resistance. The antirust oil may be appeared on the tools, it will not effect the function.