About This ?륝omplete Crafting Solution?멗ncludes: 8 blades (#1 - #8).Trusted by professionals for:Jewelry repair & custom pendants;Model shipbuilding & wooden puzzles;PVC plumbing modifications;Aluminum craft prototyping ?륲cientific Blade Selection Guide?멖ard materials like metal? Use finer blades (#1-3). Soft materials like wood? Choose coarser blades (#4-7). Tackle sticky plastics (#8) with anti-clog spiral teeth design ??prevent slippage and maximize cutting efficiency ?륝oping Saw Spiral Blades?멑orged from industrial-grade carbon steel with heat treatment for 2X durability.Spiral teeth provide 360째 omnidirectional cutting force, enabling smooth curved cuts while reducing blade breakage risks ??-in-1 Workshop Essential?멑rom jewelry making to home DIY: Cut metal pipes & electrical boxes;Carve wooden decorations & models;Trim plastic panels & PVC tubes;Create craft prototypes & leather patterns;Repair furniture & make custom puzzles ?륲atisfied Service?멬e promise you that if you have any dissatisfaction with this product, you can enjoy the refund or exchange service at any time without any reason Overview Material : High Carbon Steel Brand : Generic Color : 8Pcs Style : 360 Spiral