NATHE WITH COPPER CENTER MM 135 IN THERMOPLASTIC MM20, RINGS MM70
FLEXIBLE NATHE THREAD MM 130 IN THERMOPLASTIC 20MM, RINGS MM55
NATHE 40821 FLEXIBLE THREAD MM 120 IN THERMOPLASTIC 20MM, RINGS MM70
20MM JOINTED NATHE THREAD 135MM STAINLESS STEEL WITH 70MM RINGS