L2174-1 (=L2138, 18 x 18)

Center : 14 x 14

Diamond : 

2.25mm x 27

2.0mm x 24

L2174-2 (=L2144, 15 x 15)

Center : 13 x 13

Diamond : 

1.9mm x 21

2.1mm x 24

L2174-3

Center : 12 x 12

Diamond :

2.25mm x 24

2.0mm x 8

1.8mm x 18

L2174-4

Center : 11.5 x 11.5

Diamond : 

2.1mm x 24

1.8mm x 21