This is a Gridfinity based slide-out spice rack that uses drawer rails and spice glasses. The assembly carrier has wholes which need to be supplied with m3 heat inserted threads to link the two carrier pieces and for mounting the rails and the Gridfinity bases.

This is the rail I used: https://amzn.to/4j90gbG

These are the spice jars: https://amzn.eu/d/cxodacl