Side quality is whatever: deburring, brushing

https://atomic-wiki.win/index.php/The_Legacy_of_Hand-Fabricated_Metal:_Custom_Leader_Boxes_Designed_to_Endure_a_Century

Edge quality is every little thing: deburring, brushing, and micro-grain sanding prepare surface areas so coverings bond evenly and subjected joints review as fine-tuned, constant aircrafts.