3/16″ wire
Maximum book thickness: 1/8″
Approx. number of #20 bond sheets:  30

1/4″ wire
Maximum book thickness: 3/16″
Approx. number of #20 bond sheets: 45

5/16″ wire
Maximum book thickness: 1/4″
Approx. number of #20 bond sheets: 60

3/8″ wire
Maximum book thickness: 5/16″
Approx. number of #20 bond sheets: 75

7/16″ wire
Maximum book thickness: 3/8″
Approx. number of #20 bond sheets: 90

1/2″ wire
Maximum book thickness: 7/16″
Approx. number of #20 bond sheets: 105

9/16″ wire
Maximum book thickness: 1/2″
Approx. number of #20 bond sheets: 120