1、Material: The cutting wheel is made of premium quality steel which can last over 200 cuts. The durability have been tested by professional organizations, even thick champagne bottles break easily and smoothly. This glass cutter can save much time and giv 2、DIY: This bottle cutter can cut almost every type round bottles, which diameter is from 43 to 103 mm. Such as wine bottles, beer bottles, whiskey bottles and champagne bottles.(designed for all of the bottles which is 2 to 8 mm thickness). Create a uniqu 3、Additional Gloves and Sandpaper: The bottle cutting kit includes 10 sheets waterproof sandpaper and 1 pair anti-cutting gloves. These sandpapers are made of sharp and high quality black carbon silicon abrasive, which ensures high polishing efficiency. Th 4、Cutting Method: Our bottle cutting process consists of 3 main steps: scoring, separating, and finishing. Insert the bottle into the cutter and make the cutting wheel lines up to the desired cutting location. Adjust the screws until the cutter grasps the 5、Separating and Finishing: After scoring, cool the bottle then later apply the hot water to force the glass. Alternating hot and cold water three times. The bottle will be separated easily. For thicker bottles, it need more cycles of hot and cold water to