1.Cutter head: made of hard-alloy and imported from Japan. Its lifespan is110,000m in glass cutting. No break when dropping from 1m height.
2.Handle: made of high quality aluminum alloy, not easy to break orbend
3.Roller: made of copper bearing. When sliding, it doesn't make noise. As a guide,the roller run smoothly and match the glass edge tightly
4.The steel ruler is installed and can be replaced. The scale is carved up andcoated with a layer of ink, very clear
5.Feeding coal oil before using
6.High quality and reasonable price
