I have many more coils than I need for making self bound books.  If you have a 3:1 coil binder machine I would be happy to pass some of them on to you.  I can deliver within a mile or so of Parliament and Carlton, if you are further away I can do porch pick up from our house. 

All the coils are black and 3:1 pitch.  Diameters are 8mm, 20mm and 30mm. I can offer around 20-30  in each size.  NB The actual binding machine that makes the holes is not on offer, just the coils you need to make up your booklets.  Not comb binders, but full 360 degree coils.