Poly calf ropes Blue Gunslinger. 5 : Line Weight The estimated line weight for the King Saddlery Inc Ropes Treated Poly Calf Rope is approximately 10. Our Synco brand is a durable, economical choice for all levels of ropers. 25 Sale Cotton Tie Strings. Skip to content (800) 548-7270 Sales Our Stores Facebook Instagram. 7 mm. 4. Synco poly ropes are differentiated by having 2 pieces of lead core per rope 3 strands. Featured Items. King Saddlery offers quality poly and nylon King Ropes for calf roping and ranch roping. ymhdsdyxhiakbbbinzwkfgojmevzpeehacvvdbcpxccnvofnqcfxthmvittansuzqxezribrzpnf