Rayson Double Loop Binding Wires, Mixed Sizes (3/8", 7/16", 1/2", 9/16", 5/8") 2:1 Pitch Wire Binding Spines, 21-Loop Black, Pack of 100

Rayson Double Loop Binding Wires, Mixed Sizes (3/8", 7/16", 1/2", 9/16", 5/8") 2:1 Pitch Wire Binding Spines, 21-Loop Black, Pack of 100