LokoCar provide the orb adapter 6-month warranty. size:the thread size of 8AN is 3/4-16 UNF,the thread size of 8AN ORB is 3/4-16 UNF. Material: The 8AN to 8AN orb reducer is made of aluminum alloy 6061-T6 which is anodized black surface,and the O-ring is made of NBR rubber.
