https://nz.rs-online.com/web/c/engineering-materials-industrial-hardware/shim-stock/stop-spacer-plates/
Stop & Spacer Plates | RS
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https://buildings.honeywell.com/ca/fr/products/by-category/intrusion-detection/accessories/housings-and-hardware/electrical-locking-devices-mediator-spacer-plates
Electrical Locking Devices, MEDIATOR, Spacer plates|Honeywell Building Automation
Electrical locking devices. Spacer plate for tubular frame lock.
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