36 black spiral coils that are perfect for home, school, or office use. Also available in other diameters and colors., 36 in length , Black , 4:1 Pitch Encuadernadora De Espiral Black Piral Binding Coil, Platic Pine For 160 Heet (12 In, 20Mm Booklet Binding Supplies No Moq 3/8 Inch 48 Loops Binding Plastic Spiral Coil Pvc Spiral Wire Aazon.co : 180 Pcs Plastic Spiral Binding Coils - 4 Eco-Coil spiral binding supplies are made from more than 96% post-consumer waste, manufactured right here in the USA (not China!), and guaranteed to be lead and phthalate free as well as CPSIA and ROHS compliant 10mm for use with books that are 60-80 sheets of standard paper
