Rayson WR21159BK Wire Binding Spines, 2:1 Pitch Double Loop Binding Wires 5/8 Inch, 21-Loop Wire Ring Pack of 50 with Black

Rayson WR21159BK Wire Binding Spines, 2:1 Pitch Double Loop Binding Wires 5/8 Inch, 21-Loop Wire Ring Pack of 50 with Black