Heavy Duty Metal Handle Oil Feed Glass Cutter. Professional Carbide Tungsten carbide Alloy Handle Oil Feed Glass Cutter, 2mm-19mm. Durable brass body lets you monitor the cutting fluid level Glass cutter is self oiling when pressure is applied An automatic oil dispensing system keeps the wheel lubricated every time you cut. 360 Degrees Rotatable Glass cutting head Cutting wheel is made of durable carbide Plastic hand grip is easy to hold and reduces wrist fatigue. Lightweight and compact design Glass Cutter Tool is easy to carry.