Based on this product's specifications, here are some alternatives and similar models
Simet complete clamp for connectors ZW61/T18, pack of 10 (model 18601100)
Summary description:
Complete clamp manufactured by Simet for use with ZW61/T18 connectors, supplied as a pack of 10. Designed to secure and retain connector components in electrical or mechanical assemblies where ZW61/T18 series parts are specified. Useful for installation, repair and maintenance tasks requiring reliable clamping of matched connector models.