Based on this product's specifications, here are some alternatives and similar models
Nibbler Die/Punch AWTools AW22233, replacement set, pack of 9 pieces
Summary description:
AWTools AW22233 nibbler die/punch set—replacement tooling supplied as a pack of 9 pieces. Designed as consumable dies/punches for compatible nibbling tools, these parts serve to cut or trim sheet materials where applicable. Use for maintenance or repair of matching AWTools nibbler models; each pack contains nine identical units for extended service life or multiple repairs.