Based on this product's specifications, here are some alternatives and similar models
Clasp fastener Rapid Tools VR22 zinc steel 15 mm, pack of 215
Summary description:
Rapid Tools VR22 clasp fasteners made of zinc-plated steel. Each metallic-colour fastener is 15 mm wide and supplied in a blister pack of 215 pieces (MPN 40108801). Suitable for general fastening tasks where durable, corrosion-resistant metal clips are required; practical for home repairs, light construction and DIY projects.