Specification:Item Type: Glass Bottle Cutter SetLength: Approx. 300mm / 11.8inWidth: Approx. 130mm / 5.1inHeight: Approx. 13mm / 0.5inCutting Thickness: Approx. 2 ~ 10mm / 0.1 ~ 0.4in Type: Roller glass cutterFull Length: Apoprox. 33mm / 1.3inScope of Application: Red wine bottle, beer bottle, whiskey, champagne, porcelain bottleProduct Material: Aluminum alloyPackage List:1 x Glass Bottle Cutter1 x Sandpaper1 x Bottle Brush1 x Cup Brush Handle1 x Cutter 1 x Glass Cutter1 Pair x Gloves2 x Rubber 1 x BracketNote:Note: Please wear gloves when operatingInstructions:1. Turn the wine bottle around on the cutting table and draw a circle of marks2. Put a rubber on both sides of the trace (about 1cm apart)3. Pour boiling water on the traces (about 30 seconds), and then quickly pour cold water (about 10 seconds)4. Break the wine by hand (pay attention to safety, if the break does not open, please repeat the third step)