[Industrial Quality and Precision]: The cutting wheel is made of durable tungsten carbide and the cutting life is more than 20,000 meters. Manufactured with a cutting range of 3-12 mm. Absolute precision guaranteed. Alloy Handle: Durable aluminum alloy non-slip handle, gold paint for superior texture, ergonomic handle, comfortable grip feeling, long-lasting use. Self-oiling: Replaceable and 360-degree rotating glass cutting head with internal oil tank. Add some kerosene into the glass cutting tool with an oil dropper to make the cutting head smoother and sharper. [Lightweight and Portable]: Mini size and portable, ideal tool for mosaic, tile, morror, stained glass cutting and household cutting work.