RAYSON Wire Binding Spines, 80 Sheets, 34 Loops, 12.7mm, 3:1 Pitch, Black, A4, Pack of 100

Capacity: 25-80 Sheets (80gsm ), Diameter 12.7mm 34-loop, A4, Pitch: 3:1 Use with 3:1 pitch wire binding machine for binding internal reports and functional documents Durable, metal double-loop wire combs ensure lasting performance Pack of 100