Based on this product's specifications, here are some alternatives and similar models
HOGERT HT4C662 18 mm SK5 steel snap-off blades, pack of 10
Summary description:
Pack of 10 HOGERT HT4C662 snap-off blades made from SK5 high-carbon steel, 18 mm wide. Designed for utility knives and cutters with segmented break-off sections to restore a sharp edge quickly. Suitable for cutting cardboard, paper, plastic, rubber and thin laminates in workshop, construction and packaging tasks.