ITEM NAME:Professional heavy hand grip Oil Feeding Glass Cutter with Extra Replacemen B6W1 Professional heavy hand grip Oil Feeding Glass Cutter with Extra Replacemen B6W1 Unique Pistol Grip Design-Easy to hold and reduces wrist fatigue,letting you score glass with little effort and it gives you cleaner cuts. Replaceable Cutter Head-Each package comes with 3 cutter heads,One is for cutting 2mm-6mm thickness glass,the other is for 6mm-12mm,12mm-20mm.An perfect tool for stained glass,diamond and minerals cutting. Heavy Duty-Industrial grade frosted iron Head,the wheel is made of durable Tungsten Car