Acco Large Binder Clips - Large - 1.06 " Size Capacity - Reusable - 12/Box - Black - Tempered Steel, Plastic Item #: ACC72100 $15.98
Fellowes Plastic Combs - Round Back 5/16 " 40 Sheets Black 100 Pk - 0.3 " Height X 10.8 " Width X 0.3 " Depth - 0.31 " Maximum Capacity - 40 X Sheet Capacity - For Letter 8 1/2 " X 11 " Sheet - Round - Black Item #: FEL52507 $30.10
Business Source Small/Medium Binder Clips Set - Small, Medium - For Paper, Project, Document - 60/Pack - Black - Steel, Zinc Item #: BSN65369 $3.47