WORKPRO 50PK/100PK/200PKS Utility Knife Blades SK5 Steel Box Cutters w/Dispenser

Durability: WORKPRO utility knife blades are made from SK5 steel, which is of high quality and durability. Premium SK5 Steel: Constructed from SK5 steel and designed with precision-honed edges, these high-quality utility blades stay sharp longer compared to ordinary blades.