Keep your projects sharp and precise with the Olfa Safety Replacement Blade Unisex, 13+ Years. These high-quality replacement blades combine a 90-degree slim edge design with even greater performance-denying decoration. The set contains 10 blades, sharp and durable enough to withstand serious wear and tear and always do serious cuts. Superbly well-made from high-quality materials, these sharp blades always stay sharp-use after use, for great value and convenience. With these blades, clean, effortless cuts are guaranteed. Olfa, a reputable brand in cutting tools, products of quality. Order now!