NT Precision blades for Multi-Use Plastic Cutter, M-500P. Extra long & sharp blade is used for precision trimming jobs. It"s perfect for deburring a freshly cut plastic edge for a clean finish. The blade is made from high quality carbon tool steel for higher abrasion resistance and produced through multiple stages of precise process to obtain the ultimate sharpness and optimum edge-retention. 6 blades per pack in a protective plastic hanging case. Good for both personal DIY projects and industrial applications such as construction work and factory operation such as leather trimming, plastic edge trim, etc. Made in Japan.