5/10 pcs 40mm diamond cutting wheel with 6mm shaft for engraving, cutting porcelain tiles, granite, marble, and ceramic. Fast and precise cuts. The diamond grinding particles reduce vibration and ensure straighter, faster cutting. Sharp edge resists clogging and provides excellent wear resistance. Achieve quick cutting speed, slice through ceramic tiles in just one minute. Save time and effort. Strong and durable stone cutting blades made from high-quality diamond steel using hot-press sintering technology for extended lifespan. Advanced soldering process prevents deformation and cracking, ensuring safer operation. Easy to use diamond cutting disc designed for both dry and wet applications on multiple materials. Removable and flexible for convenient use, offering lower costs and simpler operation. Wide application: blade diameter 40mm, thickness 0.2mm. Suitable for precision cutting, trimming, and shaping of granite, marble, and concrete. Also effective for cutting wood, plastic, and metal. Two different specifications available: one sharp type for smooth cutting, and one wear-resistant type for longer durability. Blade is easy to use and maintain, providing a cost-effective solution for stone cutting. Package includes: 5/10 pcs wear-resistant or sharp type cutting discs or 10 pcs cutting discs (5 pcs wear-resistant + 5 pcs sharp type) Note: 1. Due to differences in monitor displays and lighting effects, the actual color of the item may vary slightly from the images shown. 2. Please allow 1-3 cm variation due to manual measurement. (1 inch = 2.54 cm)