Golden metallic bookbinding rings spooled, diameter 6,40mm = 1/4", step 3/1.
Golden metallic bookbinding rings, spool of 84.000 loops, diameter 6.40mm = 1/4", 3 perforations/per thumb (step 3/1), 1 spool contains roughly 2470 A4 bindings, use-able for documents with a thickness between 16 and 25 sheets of 80gr/m².
Golden metallic bookbinding rings spooled, diameter 7,90mm = 5/16", step 3/1.
Golden metallic bookbinding rings, spool of 60.000 loops, diameter 7.90mm = 5/16", 3 perforations/per thumb (step 3/1), 1 spool contains roughly 1760 A4 bindings, use-able for documents with a thickness between 26 and 45 sheets of 80gr/m².
Golden metallic bookbinding rings spooled, diameter 9,50mm = 3/8", step 3/1.
Golden metallic bookbinding rings, spool of 43.000 loops, diameter 9.50mm = 3/8", 3 perforations/per thumb (step 3/1), 1 spool contains roughly 1264 A4 bindings, use-able for documents with a thickness between 46 and 65 sheets of 80gr/m².
Golden metallic bookbinding rings spooled, diameter 11,10mm = 7/16", step 3/1.
Golden metallic bookbinding rings, spool of 32.000 loops, diameter 11.10mm = 7/16", 3 perforations/per thumb (step 3/1), 1 spool contains roughly 941 A4 bindings, use-able for documents with a thickness between 66 and 85 sheets of 80gr/m².
Golden metallic bookbinding rings spooled, diameter 12,70mm = 1/2", step 3/1.
Golden metallic bookbinding rings, spool of 26.000 loops, diameter 12,70mm = 1/2", 3 perforations/per thumb (step 3/1), 1 spool contains roughly 760 A4 bindings, use-able for documents with a thickness between 80 and 95 sheets of 80gr/m².
Golden metallic bookbinding rings spooled, diameter 14,30mm = 9/16", step 3/1.
Golden metallic bookbinding rings, spool of 21.500 loops, diameter 14.30mm = 9/16", 3 perforations/per thumb (step 3/1), 1 spool contains roughly 630 A4 bindings, use-able for documents with a thickness between 90 and 110 sheets of 80gr/m².
