Yost SA-345, 4-1/2″ Aluminum Jaw Vise Caps, 2 PieceCondition:* New Surplus Stock, No OEM Packaging. As Pictured.Additional Notes:* Aluminum Vise Jaw Caps are designed to protect fine work from serrated jaw facings.* Meets Fed. Spec. GGG-C-00137B* Aluminum Finish w/ Pliable Extensions* Non-Magnetic Backing* Meets National Stock Number NSN 5120-00-293-1231 (5120002931231)Yost SA-345