BLUE BINDING COMBS 12MM:They have a plastic Polyvinyl Chloride construction to be durable and long lasting
Each comb has a spine length of 300 mm and a spine size of 12 mm
The 21 loop size is perfect for binding A4 sized reports or similar documents
They're compatible for use with most 21 loop plastic comb binding machines
They can be used to bind 56 80 page documents and reports
There are 100 combs in this pack