Coupler

[table width=”300″ style=”width: 300px; border: 1px solid;” colwidth=”20|100|50″ colalign=”center|left|center|left|right”] Size 1/2″ X 1/2″ 3/4″ X 3/4″ 1″ X 1″ 1-1/4″ X 1-1/4″ 1-1/2″ X 1-1/2″ 2″ X 2″ [/table]