1/2 x 5 1/2 XH nipple
3/4 x 5 1/2 XH nipple
1 x 5 1/2 XH nipple
1 1/4 x 5 1/2 XH nipple
1 1/2 x 5 1/2 XH nipple
2 x 5 1/2 XH nipple