Features 4-Piece Set Convenience: Includes 4 replacement cutting heads, ideal for automatic glass cutting machines, ensuring you always have a backup when you need it most Durable Tungsten Steel Wheel: Crafted from high-quality tungsten steel, the blade offers exceptional hardness and durability, reducing the risk of cracking during use Enhanced Stability: Features a widened and thickened high carbon steel gasket, providing excellent stability and safety while cutting various glass materials Robust Alloy Cutter Shaft: Constructed with a bold alloy shaft, this cutter head rolls smoothly and flexibly, making your glass cutting tasks easier and more efficient Standardized Sizing: Designed with precision and standard manufacturing processes, these cutter wheels are easy to replace and install, streamlining your workflow Features: 1、4Pcs in 1 Set: Including 4pcs cutting heads, often used in automatic glass cutting machines to replace old or broken cutter heads. 2、Tungsten Steel Wheel: The blade wheel is made of hard tungsten steel material, with high hardn and not easy to crack. 3、High Carbon Steel Gasket: With widened and thickened high carbon steel gasket, has good stability and safer . 4、Alloy Cutter Shaft: Bold alloy cutter shaft is firm and strong, rolling smoothly, and more flexible when cutting glass. 5、Standard Production: With reasonable size and standard manufacturing, the cutter wheel is easy to replace and install. Specification: Item Type: Glass Cutter Head Product Material: Tungsten steel + high carbon steel Product Quantity: 4pcs Product Height: Approx. 21mm / 0.8in Product Diameter: Approx. 4mm / 0.2in Cutter Wheel AngleApprox.6-12mm / 0.2-0.5in Package List: 4 x Cutter Head Note: betweendiv>1. Glass cutters cannot cut high hardness objects such as tempered glass, vitrified tiles, marble, and quartz.between/div>betweendiv>2. Do not use on uneven glass. Do not operate directly on window, wall, or facades, but must be placed on a flat ground or desktop to operate.between/div>betweendiv>3. When cutting the mirror, you must scratch the front of the mirror.between/div>betweendiv>4. Please use broken glass to practice before using it.between/div> Package List 4 x Cutter Head