A: 10″. B: 14″. C: 28″. D: 27.25″. E: 14″. F: .75″. G: 5″ R. H: 5.5″ R. Weight: 335 lbs. ? Made from ASTM A27 cast steel and are built to withstand the toughest conditions. No surface paint or finish to maintain quick, easy and safe weld-ability to the deck of any barge or workboat. Designed specifically to guide mooring lines on deck. They act as a guide to feed a line or wire in a particular direction while minimizing chaffing. They are typically welded to the deck of a vessel.