Unique Personality: Mini cutting discs include 3 assorted types for more needs. Suitable for cutting, grooving and trimming. Ideal for DIY projects and carving work. Versatile Tool: Mini diamond disc is used for cutting stone (glass, marble, ceramic, tile, rock, jade). Mini HSS circular saw blade is used for cutting wood plastic, case modification, printed circuit boards. Mini resin cutting disc is used for cutting soft metal (steel, iron, aluminum). Compatibility: The 3 mm shank of the mini cutting discs is compatible with most rotary tools and mini electric grinders / mini drills. Excellent Tool for DIY Enthusiasts: High working efficiency, perfect cutting effect. Essentially replace with handle mini cutting saw. Package Details: 30Pcs Mini Cutting Discs (10 Diamond Discs, 5 HSS Circular Saw Blade, 10 Mini Resin Cut-Off Wheels 5 Mandrels)