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Alpine Corporation 1/2-in ID x 100-ft PVC Black Vinyl Tubing in the Tubing & Hoses department at Lowes.com
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Amazon.com : TruBind 38-mm (1-1/2-inch) Binding Coils - COIL38 - Durable - 4:1 Pitch (4 Holes/inch) - 12 Inches Long - Pre-Sized to Fit Letter-Sized Paper - Compatible with TruBind Binding Machines - 50 per Box : Office Products
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