I was looking at an old thread of yours where you were talking about you diy frag plugs made from sand/cement. What did you use for a mold? I've been just making a mold out of sand but the plugs end up not being as smooth as yours.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.