Extra-large and heavy to stay in place, with a large surface to simplify pin driving without marring polished surfaces.
Available in two colors: Green for rifles and shotguns with four through holes and a center "V" for stability, Blue for revolvers and pistols with larger holes and a partial "V" for barrel support.
Made of polyethylene, measuring 4 inches in diameter and 1-1/8 inches high, can be modified with hand tools and is machine resistant to melting.