Based on this product's specifications, here are some alternatives and similar models
Replacement Blades for Martor 175 Securom Knife, Pack of 10
Summary description:
Pack of 10 replacement blades designed for the Martor 175 Securom utility knife. These blades serve as spare cutting edges for general-purpose use in packaging, cardboard cutting, and workshop tasks. Supplied as a multi-pack for convenient blade replacement, suitable for users who need quick, safe swaps for the Martor 175 Securom model.