Based on this product's specifications, here are some alternatives and similar models
RJ45 Connector Protection covers, LYNX CS OCH-RD-V, red, non-snag-proof, pack of 100
Summary description:
Protective covers for RJ45 connector latches from LYNX CS, model OCH-RD-V. This pack contains 100 red non-snag-proof caps designed to shield and prevent accidental damage to connector clips and to reduce snagging in cabling runs. Suitable for network installers and IT maintenance to extend connector life, improve cable handling and maintain tidy installations.