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Amazon.com : Rayson CR681012-BK Plastic Comb Binding Ring, 1/4in,5/16in,3/8in,1/2in, 19-Ring Letter Size, Black Comb Spines, Multi-Size Pack of 100 : Office Products
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Amazon.com : Fellowes Plastic Binding Comb 3/8" Black, 100Pack : Fellowes Binding Combs : Office Products
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Plastic Comb Binding Large Sizes -With Lock – 11″ Long – Proven and Priceless Binding Elements – 50 per box - Delran Business Products
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Amazon.com : Rayson CR-12-100-M Plastic Binding Combs 1/2in. 21-Ring, 90-Sheet Capacity, Colorful Comb Binding Spines, Max. Binding A4 Size Paper (8.3"×11.7"), Box of 100 : Office Products
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Amazon.com : Fellowes Plastic Comb Bindings, 1.5 Inches, 340-Sheet Capacity, Black, 10 per Pack (52066) : Binding Spines : Office Products
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Plastic Binding Combs, 5/16" Diameter, 19 Ring, 40 Sheet Capacity, Black, 100/Box - Bluebird Office Supplies
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