If it’s worth doing, it’s worth doing right. And, you will always wonder if you don’t.
these are split into 2 pieces so they simply slide in from the sides
https://www.acoustic-signature.com/products/accessories/rega-spacer-set/
these black ceramic coated washers are 0.065" = 1.65mm (2mm = 0.079")
rega makes 2mm thick aluminum, and for more money 2mm thick stainless steel
here’s a kit of thin SS washers

