5/10 pcs 40mm diamond cutting wheel with 6mm arbor for engraving, cutting porcelain tiles, granite, marble, and ceramic. Achieve fast and precise cuts. The diamond grinding grains reduce vibration and ensure straighter, quicker cuts. Sharp and resistant to sinking, with excellent wear resistance. Cut ceramic tiles in just one minute, saving 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, offering safer operation. Easy to use diamond cutting disc designed for both dry and wet applications on various materials. Removable and flexible for convenient use, with lower costs and simpler operation. Widely applicable for precise cutting, slicing, and shaping of granite, marble, and concrete. Also suitable for cutting wood, plastic, and metal. Two different specifications available: one sharp type for smooth cutting, and one wear-resistant type for longer durability. Easy to use and maintain, providing a cost-effective solution for stone cutting. Package includes: 5/10 pcs wear-resistant/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, actual color may vary slightly from the images. 2. Please allow 1-3 cm variation due to manual measurement. (1 inch = 2.54 cm)