Based on this product's specifications, here are some alternatives and similar models
Alantec WTM22 RJ plug/boot accessory for network cabling
Summary description:
Alantec WTM22 is an RJ plug and boot accessory designed for use with network cabling. It serves as a protective boot and connector component for RJ-style plugs, helping to reduce strain on cable junctions and protect contacts from wear. Suitable for Ethernet patch cords and other RJ-terminated cables where plug protection and strain relief are required.