Description Description: Simple and Easy: This glass cutter features a quality hard alloy blade that makes the cutting process smoother. You can easily complete the cutting as if you were cutting butter. The cutter head has a long service life. Sturdy Cutting Tool: The glass cutter uses a sturdy hard alloy blade, which is hard and sharp for smooth operation. Material: Made of carbon steel alloy, this glass cutting tool is designed to be reliable and long term. Product Dimensions: With an overall length of 170mm, it can cut through thicknesses ranging from 2-8mm, making it versatile for various tasks. Package Includes: Each package comes with 1 Carbon Steel Alloy Roller Tungsten Glass Cutter Alloy Cutter Head Hardware Processing Tool Glass Cutting Tool for your convenience and immediate use. Specification: Material: Alloy Size Chart: Total length:17cm/6.69inch Cutting thickness: 2mm-8mm Package Includes: 1Roller Glass Cutter(3 Pack) Note: Please allow slightly errors 1-2cm differences due to manual measurement.