FHC Toyo Straight Tap Wheel Glass Cutter [Brass Handle] - T0Y17BV

The original. self-oiling, TOYO Brass Supercutter with Tap-Wheel Technology which adds a micro vibration as the wheel rotates, driving scores deeper with less applied pressure. The result is easier breakouts, cleaner edges, less hand fatigue and a longer lasting tool. 

While scoring, the reservoir oil-fill cap should be opened a 1/2" turn to improve oil flow. As with all self-oiling cutter, the first use requires priming the oil system by depressing the cutting head several times until oil reaches the wheel. 

TOYO Technology Increases Score Efficiency | Durable Heavy Brass Barrel and Self-Oiling Reservoir.