Based on this product's specifications, here are some alternatives and similar models
Bettermann V-TEC VM16+ Cable Gland with Locknut M16 Polyamide Light Grey RAL 7035
Summary description:
The Bettermann V-TEC VM16+ cable gland is a high-quality polyamide fitting designed for secure cable entry and strain relief. Featuring an M16 thread and included locknut, this light grey (RAL 7035) component ensures reliable sealing and protection for electrical installations. It is ideal for industrial and commercial applications requiring durable cable management and environmental protection.