This product includes 10 pieces of plastic blades specifically designed for use with Olfa 9 mm knives, including models such as ES-1, A-1, XA-1, SVR-2, NA-1, and 180 Black. These blades ensure precision cutting and are compatible with a variety of cutting tasks, making them an essential addition for both professional and DIY projects. Upgrade your cutting experience with these high-quality replacement blades, designed to deliver reliable performance and durability.