Widely UsedHigh speed steel blade and mandrel set is ideal for fine precision cuts in aluminium, brass, copper, wood and plastic. These rotary tool accessories are suitable for DIY projects and the home hobbyist and also good for those who are working on wood, metal ,DIY craft. Nice Quality The shank is made of heavy duty carbon steel with high hardness, durability and smooth surface. The blade is made of strong HSS, which is durable and sharp, helping to improve work efficiency and provide perfect cutting results. High CompatibilityThis set of cutting blades is compatible with Dremel, GOXAWEE, APEXFORGE, SPTA, TECCPO, Vastar. And the matching 6 different size blades (22mm, 25mm, 32mm, 35mm, 44mm, 50mm), shank size: 2 x 1/8" (3.175mm) and 1 x 1/4" (6mm), screwdriver size: 1 x 93mm. AttentionIt is suitable for cutting wood, plastic and soft metals (aluminum, copper), but not for cutting hard metals. It is important to note that when cutting soft metals, you will need to use coolant or water to keep the blade from overheating. The maximum speed of the saw blade cannot exceed 20,000 rpm, and the blade will vibrate when working, so handle it carefully to avoid damage to the blade. Please keep out of reach of children to prevent injury. Friendly ServiceIf you have any questions, please feel free to contact us. Our after-sales service experts will reply your information within 24 hours, We will do our best to solve your problems, you can purchase and experience with confidence.