Used with OLFA’s concealed blade safety knife, these blades are designed with safety in mind. The blade has four positions to provide four cutting surfaces and and blade replacement. The blades cut shrink and stretch wrap, plastic strapping and more. (SKB-10/10B, #1096855)\n\n- Made from high-quality carbon tool steel\n- Four-point safety blade\n- This blade is for SK-10 knives