GRW-SHELF1SLD - https://www.gatorcases.com/products/rack-accessories/shelves/rackworks-shelves/1u-sliding-shelf-13-8-deep-grw-shelf1sld/
The closure for the 1SLD is not magnetic.
There is an inner plastic wheel that runs along the track and parks in a groove. This groove is towards the back of each rail. It really is just meant for a soft close and does not lock into place.
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