RAYSON Wire Binding Spines, 34 Loops, 60 Sheets, 3:1 Pitch, 11.1 mm, A4, Black, Pack of 100

Capacity: 20-60 Sheets (80gsm), Diameter 11.1mm Pitch: 3:1, 34-loop, A4 Use with 3:1 pitch wire binding machine for binding internal reports and functional documents Durable, metal double-loop wire combs ensure lasting performance Black, Pack of 100