Improved glass cutter for square and round bottles, ideal for cutting wine and beer glasses. Compatible with DIY glass cutting machines, metal bottle holders, and more.

General Description: This improved glass cutter is designed to easily cut square and round bottles, ideal for creating wine and beer glasses. It is compatible with DIY glass cutting machines and metal bottle holders. Thanks to its separating rings, it ensures a stable cut, and it comes with sandpaper and gloves for safely smoothing the edges. Technical Specifications: Color: Black; Material: Stainless steel; Cutting length: 6.5 cm to 16 cm / 2.6 ~ 6.3 inches; Cutting diameter: 1.2 cm ~ 6 cm / 0.47 ~ 2.4 inches; Package size: 23 * 11 * 8 cm / 9 * 4.3 * 3.1 inches; Package weight: 601 g / 21.2 oz. Compatibility and Accessories: Compatible with DIY glass cutting machines. Accessories included: 1 * Bottle cutter, 1 * Hex key, 2 * Gloves, 1 * ø6 drill bit, 1 * Sandpaper, 4 * Separating rings, 1 * Sponge washer. Installation: Secure the bottle to the support device. Use the cutting machine to stabilize the bottle. Operation: Draw a line on the bottle by rotating it. Heat the line with boiling water. Alternate between hot and cold water three times. The bottle will break into two parts; smooth the sharp edges.