Overview Reviews Product Description Use to replace worn parts on a mechanics vise.Jaws are made from hardened steel.Jaw plates are fully machined on all load-bearing surfaces.4 1/2-inch plates fit #4 mechanics vises manufactured after 1996.Irwin tools record replacement jaw plates and screws for no.4 mechanic's vise (t4d). Irwin Tools Catalog Product Videos Custom Field Manufacturing country CN Product Reviews Write a Review Write a Review × Irwin Record® Replacement Jaw Plates & Screws (For 2026303) T4D Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *