notebook 3 8 inch double loop binding

...Notebook Binding Metal Double Wire Spiral, 1 3/8 Inch Bookbinding Wire Electroplating 3:1 and 2:1 Pitch Metal Double-loop Wire Binding Materials, durable binding spiral wire from 1/4’’ to 1 1/4’’, Wholesale document binding wires Item series Bookbinding materials Other goods Calendar binding spiral coils, plastic binder, punching machine, binding machine, wire forming machine, etc. Produce Nylon-coating double-loop......

Colored Double Ring Binding for Notebooks and Calendars Company Profile.pdf What is double line binding? Wire binding is a popular method of business book binding that goes by many different names, including double loop, wire-o, double loop, double-o, loop......