Grade F1 Felt Sheet - 1/2" Thick x 12"W x 36"L

Grade f1 felt sheet - 1/2" thick x 12"w x 36"l made by usa sealing.grade 1 felt has the highest wool content, making it denser, stronger, and harder for more durability, vibration and abrasion resistance.firmer felt is more wear resistant when used for cushioning and gasketing.