1-1/8
7|12|18
1.631
1.688
1.859
1.949
0.595
0.655
1-1/4
7|12|18
1.812
1.875
2.066
2.165
0.718
0.782
1-3/8
6|12|18
1.994
2.062
2.273
2.382
0.778
0.846
1-1/2
6|12|18
2.175
2.25
2.48
2.598
0.839
0.911