Texas Knifemakers Supply: Brass Knife Guards - Assorted Styles Made in the USA from the highest grade brass available: 360 freemachining bass Polishes to a high shine finish, machines very well, doesn't rust in the open air Guard is 2-3/4" x 5/8" x 1/8" Center hole is 3/8" x 3/16" This guard can be used as is, or further machined to your desired shape