Features:1. The hobby blades are made of high speed steel for a sharp edge that lasts.2. The hobby blade comes in a mini storage case, which is a very nice way to keep and manage all the blades.3. Suitable for scrapbooking, cutting fabric, stencils, paper, wood carving, model projects, and foam board craft.4. Finely coated with a thin layer of lubricant to protect the blades from rust and ensure quality after prolonged storage.Specifications:Material: High Speed SteelTotal Length: 41.5mm / 1.63inchBlade Width: 24.3mm / 0.96inchShank Width: 8.6mm / 0.34inchThickness: 0.4mm / 0.02inchPackage Content:10Pcs x Craft Knife Blades