LokoCar provide the orb adapter 6-month warranty. size:the thread size of 6AN is 9/16-18 UNF,the thread size of 6AN ORB is 9/16-18 UNF. Material: The 6AN to 6AN orb reducer is made of aluminum alloy 6061-T6 which is anodized black surface,and the O-ring is made of NBR rubber.
