Pistol Grip Oil Feed Glass Cutter | Heavy Duty Design Cuts Windows, Mirrors, Bottles | Great for Stained Glass - Professional (Purple) HEAVY DUTY - This oil fed glass cutting tool is lightweight but sturdy and provides professional quality cutting. SELF OILING - Oil in the reservoir ensures the sturdy carbide wheel rolls free and sure at all times COMFORTABLE SECURE GRIP - This pistol grip glass cutter design is ergonomic and reduces hand fatigue DEEP AND EASY CUTS - The replaceable carbide wheel is designed to cut THICK glass. Use for stained glass tiles or plate glass from 1/4 to 3/4" thick. Applies a deeper score, giving a cleaner edge OIL DROPPER - Includes oil dropper to refill glass cutter