Yep, that's correct! The information here - https://shopify.dev/docs/api/liquid/objects/metafield - outlines how you can pull through metafields as part of the table.

Your best bet for this one would likely be some custom development. You could make a new product grid section, and set this up using an HTML table (https://www.w3schools.com/html/html_tables.asp). Then store all that extra product info like length, p...