The Vox Blox is a specialized tool designed to securely hold silencers in a vise during maintenance or modification. Made from high-density polyethylene plastic, it provides a firm grip while minimizing the risk of damaging the silencer's finish. This soft-jaw tool is perfect for both professionals and enthusiasts in need of a reliable, gentle clamping solution. High-density polyethylene (HDPE) plastic For suppressors with a 1.38 inches diameter