Yost Vises SA-380 8" Aluminum Vise Jaw Caps (1 Pair) Jaw caps attach to and cover a set of 8"-wide serrated vise jaws to shield delicate work from damage Aluminum provides durability, and the polished finish creates a smooth surface to prevent the clamped item from being marred Pliable tangs fold over the serrated vise jaw to hold the cap in place Meets Fed. Spec. GGG-C-00137B