Features: Simple operation of the glass bottle cutter to help you recycle glass bottles and cans, turning them into functional works of art. The acrylic sheet and the cutter blade are adjustable, suitable for most glass bottles and cans in the market, such as beer bottles, wine bottles, etc. It is more convenient and safe to use. use, no other tools needed, and the sharp blade provides a clean and perfect cut. PC material + stainless steel screws, lightweight and durable. Shaft stainless steel bracket, precise thread, smooth operation, not easy to rust Specifications: Cutting diameter: 20mm-230mm Package Content: 1 x Glass Bottle Cutter Tips: 1. Adjust the bottle cutter and place the bottle on the bottle cutter. 2. Spin the bottle once at a constant medium pressure and a score line will appear on the bottle. 3. Heat the cut line alternately with boiling and cold water three or more times until the bottle breaks along the cut line. 4. Sand the cut line with sandpaper."Note: The data is all measured manually, please allow 1-3cm error, due to the difference in light and display, there will be a certain difference in color, the actual object received shall prevail.