Blades-Utility, Safety, Self-Retracting 10-Pack Skb-2/10B

These Olfa® trapezoid blades are made from high-quality carbon tool steel. Superior sharpness and edge retention for general use. The blades fit SK-4 and SK-9 safety knives and the UTC-1 utility knife. Ideal for cutting corrugate, shrink wrap, plastic strapping, paper, and more.