No-Mar; Molds To Fit
Soft, pure lead shims are ideal between barrel and vise bushings. Greatly improves "grip", won't damage steel or bluing; can be reused many times. Cut to fit. Pak of 4.
Big Book Catalog, Issue:72, Page:425
SPECS: 2" (5.1cm) x 4" (10.2cm). Approx. .045" (1.1cm)