Based on this product's specifications, here are some alternatives and similar models
Terminal ferrules Rittal AS 4050.771, copper/PP insulated, 1.0 mm² (length 12 mm, dia. 3 mm), pack of 500, yellow
Summary description:
Rittal AS 4050.771 are insulated ferrules with copper conductor sleeve and polypropylene (PP) insulation designed for 1.0 mm² conductors. Each ferrule has a 12 mm length and 3 mm outer diameter; the pack contains 500 pieces in yellow. They provide reliable crimped terminations for stranded wires in control cabinets, panels and electrical installations.