6 Pcs HSS STEEL CIRCULAR SAW BLADES- These circular saw blades are made of high speed steel. There are 6 kinds of outer diameters, namely 22/25/32/35/44/50mm. These HSS circular saw blades are suitable for cutting wood, plastic products, aluminum alloy, soft metal, etc. 10 Pcs DIAMOND CUTTING WHEELS- These cutting wheels are made of high quality diamond. Featuring high cutting efficiency, remarkable durability, stable quality, etc., these diamond grinding wheels are suitable for cutting gemstones, jade and glass. Pack of 10 DISCS RESIN CUTTING EDGE- Generating low heat with a fine cutting line, the cutting discs are suitable for electric drills, overhead grinders, electric grinders, etc. They are intended for cutting metal, plastic, modifying chassis, thin metal circuit boards, etc. Cutting discs are suitable for cutting olive pits. GREAT TOOL FOR DIY These diamond grinding wheels come with a 1/8 inch shank and are compatible with most rotary tools, as well although the original. We used original brand rotary tools to test this cutter accessory kit. 100% Quality Guarantee- Buy with confidence, just leave us a message. If there is a problem or you would like us to address the matter, we will offer a full refund or replacement and offer our sincere apologies. Thank you very much for your support