Part No.WS603XL
1/2 ThreadPart No.WS5500A12
12M1.5 ThreadPart No.WS5500B
1/2 Thread - 78.1 Centre BorePart No.WS5500C12
1/2 Thread - 71.8 Centre BorePart No.WS5500CH
1/2 Thread - 78.1 Centre BorePart No.WS5500E12
1/2 Thread - 71.5 Centre BorePart No.WS5500EH