Fellowes PB-150 Home/Office Comb Binding Machine Punch and Bind continuously Manual comb binding machine punches up to 15 sheets of paper at a time Binds up to 240 sheets of paper with 1-1/8" comb Unique "memory brake" saves time by setting combs to same operning width when binding multiple copies Select comb diameter and margin depth at a glance with magnified viewing glass