DescriptionThis mini HSS circular black tool with nitriding coating for rotary tools whose diameter ranges 85mm. Used on rotary tools, electric power tools, woodworking, metal and plastic cutting. Made from strong hss high-speed-steel material, durable and firm. It's a mush-have tool set for you to cut aluminum alloy, PVC, wood and plastic, either at professional cutting work or in daily home use.Features- Color: As shown. - Size: About 8.50X10.00X0.10cm/ 3.34X3.94X0.04in- Material: HSS. - Use in hobby mini drills for small cut off jobs. - This unique great tool set is for precision cuts in wood, aluminum, brass, copper and more. - Made from strong HSS high-speed-steel, durable and firm. - Endurance tool offers faster cutting and extra long life for hobbyist. - Hardened steel body ensures straight, accurate cuts.