https://search.sailrite.com/category/grommets-rings-for-canvas-sails This video will show the difference between Spur & Washer Grommets. Do not confuse spur grommets with the common washer grommets that are sold in hardware stores everywhere. Spur grommets are of heavier metal with spurs all around the inside rim of the washer that lock into a rolled edge on the barrel part of the grommet. As a result, they will not easily pull out of the fabric.
Post time: Jul-08-2017