13/16" od die holder :

To suit die sizes having 13/16 " outside diameter :
1//16 3/32 1/8 5/32 3/16 7/32 1/4 BSW BSF UNC UNF BSB METP MTP ME Model Engineer BS Cycle 26tpi
BA 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 all BA
Metric 0.8mm 0.9mm 1mm 1.1mm 1.2mm 1.3mm 1.4mm 1.5mm 1.6mm 1.7mm 1.8mm 1.9mm
2mm 2.2mm 2.3mm 2.5mm 3mm 3.5mm 4mm 5mm 6mm

1 " od dieholder :

To suit die sizes having 1 " outside diameter :
1/4 9/32 5/16 3/8 7/16 1/2 BSW BSF UNC UNF BSB METP MTP ME Model Engineer BA BS Cycle 26tpi 
Metric 6mm 7mm 8mm 9mm 10mm 11m  12mmm
1/8 BSP

1.5/16 " od die holder :

To suit die sizes having 1-5/16 " outside diameter :
 BSW BSF UNC UNF BSB BS Cycle 26tpi Metric

1.1/2 " od dieholder :

To suit die sizes having 1-1/2 " outside diameter :
5/8 9/16 3/4 BSW BSF UNC UNF
Metric 12mm 14mm 16mm 18mm 20mm
1/4 + 3/8 BSP

2 " od die holder :

To suit die sizes having 2 " outside diameter :
7/8 1"  BSW BSF UNC UNF
Metric 22mm 24mm 25mm
1/2 + 3/4 + 7/8 + 1" BSP

2-1/2 " od die holder : 

To suit die sizes having 2-1/2 " outside diameter

4 " od die holder :

To suit die sizes having 4 " outside diameter