NT Multi-use plastic cutter / precision knife comes with two types of blades: Hook shaped plastic cutting blade is designed to scrape plastic surfaces to reach enough depth to snap apart and the extra long & sharp blade is used for precision trimming jobs such as plastic edge trim. It's perfect for deburring a freshly cut plastic edge for a clean finish. Convenient plastic cutting tool is mostly used in the construction industry. However, the simple design makes it easy for personal DIY projects as well. The blade can be retracted into the holder after use. Handy storage compartment is built inside the grip to hold spare blades. The plastic cutting hook blade and precision blade made from high quality chromium and tungsten added carbon tool steel for higher abrasion resistance and produced through multiple stages of precise process to obtain the ultimate sharpness and optimum edge-retention. Good for both personal DIY projects and industrial applications such as construction work and factory operation. Made in Japan.