Based on this product's specifications, here are some alternatives and similar models
Mounting Aid for Cage Nuts SCHROFF MONTAGEHILFE F. KAEFIGMUT. (21127990)
Summary description:
SCHROFF mounting aid for cage nuts (model 21127990) is a tool designed to assist installation and positioning of cage nuts in equipment racks and enclosures. It supports accurate placement of captive or clip-in nuts, reducing manual effort and improving assembly speed for server racks, cabinets and electrical enclosures. Suitable for workshop and on-site rack assembly tasks.