Unique Pistol Grip Design - Easy to hold and reduces wrist fatigue, allowing you to score glass with little effort and it gives you cleaner cuts. An ideal tool for cutting stained glass, diamond and minerals. Heavy Duty - Industrial grade frosted iron head, the wheel is made of durable tungsten carbide. Refined Oil Feed System - Automatic oil dispensing system keeps the wheel lubricated every time you cut. PERFECT FOR GLASS CUTTING AND OTHER DIY PROJECTS - Including cutting mirrors, windows, glass shelves, stained glass, and more! Size: 110x70x15mm Cutting Range: 5-15mm