Made of high speed steel, durable and firm. -Sizes: 22mm, 25mm, 32mm, 35mm, 44mm, 50mm. Electronic sharpening - Drilling - Milling. Ideal for cutting hard materials such as wood, plastics, laminates, aluminum, etc. Features: Made of high speed steel, durable and firm. Suitable for cutting hard materials such as wood, plastic, laminate, aluminum , etc. Material: High Speed Steel. Color: Silver. Diameter of the blade: 22 mm. 25 mm. 32 mm. 35 mm. 44 mm. 50 mm. Package weight: 52 g. Contents: 6 circular saw blades. 1 chuck.