CONVEX CONVOLEX-1/2-0-CS-480035 CONVOLEX-1/2-0-SP CONVOLEX-1/2-0-SP-CS5807 CONVOLEX-1-0-CS-480035 CONVOLEX-1-0-SP CONVOLEX-1-1/4-0-CS480035 CONVOLEX-1-1/4-0-SP CONVOLEX-1-1/4-0-SPCS5807 CONVOLEX-1-5/8-0-CS480035