Diameter of Wire

 Number of Sheets

20 lb Bond w/cover

Wire-O-Pitch

3 to 1

 Wire-O-Pitch

2 to 1

 3/16"

 20 sheets - 40 pgs

*

1/4"

 25 sheets - 50 pgs

*

 * 

 5/16"

 40 sheets - 80 pgs

*

 * 

 3/8"

60 sheets - 120 pgs 

*

*

 7/16"

 70 sheets - 140 pgs

 * 

*

 1/2"

 80 sheets - 160 pgs

*

 * 

 9/16"

 90 sheets - 180 pgs

*

 * 

 5/8"

 110 sheets - 220 pgs

*

 3/4"

 150 sheets - 300 pgs

*

 7/8"

 170 sheets - 340 pgs

*

 1"

 190 sheets - 380 pgs

*

 1 1/4"

 230 sheets - 460 pgs

*