DescriptionThis is a set of 7 pieces HSS Rotary Tools. Made from strong HSS high-speed-steel, it is durable and firm. It is for cutting hard materials like wood, plastics, laminates and aluminium, etc. Suitable for use in carpentry and crafts.Features- Color: As shown. - Material: High-speed steel. - Package Size: 22x11.2x0.3cm. - diameter: 22mm,25mm,32mm,35mm,44mm. - Made from strong HSS high-speed-steel, durable and firm. - for cutting hard materials like wood, plastics, laminates and aluminium, etc. - Suitable for use in carpentry and crafts. -Great addition to your hobby craft tool kit.