10mm, 11mm, 12mm, 14mm Black Plastic Comb Bind

The trusty comb bind holds your A4 pages together with 21 rings.

The Summary Notes books are roughly 40 sheets plus a back and front cover and come with a 12mm comb bind.

If you wish to add extra pages, we recommend going up to at least a 14mm comb bind.

10mm - holds up to 45 sheets of 100gsm A4 paper

11mm - holds up to 55 sheets of 100gsm A4 paper

12mm - holds up to 65 sheets of 100gsm A4 paper

14mm - holds up to 85 sheets of 100gsm A4 paper