Used to connect dissimilar standard taper joint size. Lower inner joint is smaller in size then the top outer joint.
Top Outer Joint |
Lower Outer Joint |
14/20 |
10/30 |
19/22 |
10/30 |
19/22 |
14/20 |
19/38 |
12/30 |
19/38 |
14/35 |
24/40 |
10/30 |
24/40 |
12/30 |
24/40 |
14/20 |
24/40 |
14/35 |
. |
. |
24/40 |
19/22 |
24/40 |
19/38 |
29/26 |
14/20 |
29/26 |
19/22 |
29/26 |
24/40 |
29/42 |
14/35 |
29/42 |
19/38 |
29/42 |
24/40 |
34/45 |
24/40 |
34/45 |
29/42 |
45/50 |
24/40 |
45/50 |
29/42 |
55/50 |
24/40 |
55/50 |
29/42 |
55/50 |
34/45 |
55/50 |
45/50 |