General Use & Storage Guide: Keep the cutting edge away from hard objects and human skin while using. Wipe off surface attachments with dry cloth after use. Place items in closed flat space when idle to protect edge structure and original surface stateSet Type : YesMaterial : Stainless steelUse : EmbroideryType : Tool setsProduct Name : Rotary Cutter BladesType : Fabric Leather CuttingPackage : 10pcsSize : 45mmNumber : 40 pcs Sharp Cutting Edge Design: Adopts refined edge processing to create smooth and sleek cutting surfaces. The well-shaped edge maintains stable cutting performance during repeated use and glides through various sheet materials and layered items with smooth operation Wide Tool Compatibility: Made with unified outer structure and standard connection size to match most mainstream handheld cutting tools of corresponding style. It serves as a universal replacement part and can be installed quickly to work with matched tool bodies seamlessly Solid Structural Hardness: Undergoes professional surface treatment to enhance overall structural firmness. The robust physical build stands up to frequent contact and friction in daily crafting work and keeps complete shape without local deformation Multi-material Cutting Ability: Works well with a broad range of common craft and sewing materials. It handles single pieces and stacked layers alike and delivers steady cutting effect for handmade creation, fabric processing and daily trimming work Clear Surface Marking Layout: Features clear etched marks on the outer face for convenient reference during operation. The visible symbols help align materials and guide straight cutting paths to raise overall working efficiency in manual crafting tasks ASIN B0H32F7KQX Item Weight 1.32 pounds Manufacturer HongJP Item model number HongJP Product Dimensions 0.39 x 0.39 x 0.39 inches