Features: Manufacture carbide wheels from Germany which can cut 2-8mm thickness for glass bottle. Using steel bracket, very durable and non-rust. Using high quality plastic body which can make sure cut bottles very neatly. WORK PERFECTLY. Simply place your bottle on the support device, squeeze and twist. heat that score over cold water and boiling water alternately bathes three times. EASY AND SIMPLE TO USE. Sturdier and easier to use than plastic models, this heavy duty bottle cutter will have you cutting bottles perfectly in 5 easy steps. This glass bottle cutter takes a little getting used to, but once you get the hang of it, you'll be able to cut through wine bottles with ease. GENTLE CUTTING. The results will amaze you, clean breaks almost every time. Even thick champagne bottles break easily and smoothly. CREATIVE AND PRACTICAL. It might even make you feel better about whatever wine you drink and help you do your part for the environment.