I don't know (I'm at work).... but there's another fast Group Buy going on for that exact one. It doesn't have a dimensioned picture with it though.
http://castboolits.gunloads.com/showthread.php?287389-MIHEC-477-640-CRAMER-HP-MOLD-(480-Ruger-475-Linebaugh)
http://castboolits.gunloads.com/showthread.php?287389-MIHEC-477-640-CRAMER-HP-MOLD-(480-Ruger-475-Linebaugh)