I upcycle a kitchen island structure into a work bench/office desk. The top is still missing. The top will be made out of two layers of 3/4 ply: Top will be nicely finished and the bottom layer will be made for MFT 20mm bench dogs. The problem is which casters. It looks like casters have min 3" wide plate. Do you have any suggestion for small plate caster that will be mount on 2 1/2 legs? Currently the workbench has furniture round caster (very ugly and old) that need ro be replaced. Thanks in advance. I can add a square block of the same opak of the legs but I am concern that it will compromise stability. Thanks in advance