RAYSON Plastic Coil Binding Spines, 50 Sheets, 4:1 Pitch, 9.5 mm, A4, Black, Pack of 100

RAYSON spiral binding coil is a great option for individuals searching for a different look for their presentations and proposals Diameter: 9.5 mm, binds up to 50 sheets ( 80g/20lb) of A4 paper RAYSON spiral coils are clean, neat, and durable, they allow for documents to open a full 360 degrees 4:1 coil binding spine means per inch has 4 holes; It's very important to distinguish 4:1 from 3:1 because they are used with different binding machines 48 Loops, Black, Pack of 100