6PCS Mini HSS Circular Saw Blades Set, Cutting Blade Wheels Disc with 1/8" Extension Rod for Rotary Tools - Hilitand, Hilitand2nx8zotdq36521

• High-speed steel -- Made of powerful HSS high-speed steel, follow the unique advanced scientific cutting principle, high hardness, with long-term service life. Extension Rod -- The surface of the blade is repeatedly ground, and the surface is high. Maximum speed: 20000RMP, extension rod diameter is about 3.17mm / 0.12 ". Size -- The outer diameter of the cutting blade is 22 mm, 25 mm, 32mm, 35mm, 44 mm, and 6.35 mm inner diameter. Thickness: 0.7 mm (22 mm, 25mm, 32mm), 0.8 mm (35mm, 44 mm). Application -- Mainly used in copper, iron, aluminum, alloy, and other dielectric hard thin metal materials. They can also be used for non-metal materials such as plastic, wood. Fast and precision cutting -- These cutting blades are sharp, with powerful cutting performance, ensuring direct exact cutting.