Rotary Cut-Off Wheel Kit has 3 assorted cutting discs set for 3 needs. * Material: HSS / Diamond / Resin. * HSS saw blades size: 22/25/32/35/44 mm in diameter, Resin Saw Blades 32mm dia, Diamond Sawblades 25mm Diameter. * HSS mini saw blades for wood and plastic / Diamond cutting wheels for stone / Resin cutting wheels for metal. * The Cut-Off Wheels Set is suitable for all kinds of metal, wood, drywall, plastic, stone, ceramic and more. * Great for contractors and the home hobbyist. * Ideal for cutting, grooving and trimming. * Package includes: 20 resin cutting wheels, 10 diamond cutting wheels, and 6 HSS cutting saw blade discs, 6 Mandrels. * Suitable for most power rotary tools. The rotary cutting wheel set is suitable for cutting wood, plastic, gemstone, glass, ceramic, stone, aluminum and copper. The mini rotary tool is suitable for DIY projects and the home hobbyist.