Specifications:

5″,51/2″,7″,95/8″,103/4″, 133/8″,135/8″,16″,20″,etc.
Thread: STC/LTC/BTC/FOX/TP-CQ/TP-NF/TP-FJ/WSP -1T(2T、3T、4T), or design and product according to the user’s request.