Thank you very much for viewing. Product Information: 【Size】140mm * 8mm. Package contents: 1 art carving knife, replacement blades * 5. 【Material】Lightweight aluminum handle and carbon steel blade. 【Easy to replace blades】Blade replacement type, an economical cutter that allows you to replace the blade. Replacing the old blade is very easy, just loosen the screw, take out the new blade, and tighten it again. 【Wide range of uses】Suitable for fine cutting work, as well as crafts, clipboards, paintings, 3D art, etc. Suitable for detailed cutting of wood carving, crafts, home DIY, glass seals, paper cutting, thin metal, plastic film, textiles, etc. Please note: This is a parallel import. The construction is rougher than domestic products. Therefore, we are selling it at a low price. Thank you for your understanding and consideration.