... , books, surveys, sales presentations, reference materials, training manuals, cookbooks, calendars, notebooks, proposals, summaries.1,Material:nylon coated wire2,Size: 3:1 ... ,Delivery:within 15 working daysSpecification (Spool Packing):SizePitchRing Diameter(mm)Wire Dia.(mm)Recommended Max Thickness (mm)Packing in Spool3/16 ... -1/4"31.75 1.40 27.0 2,000 Spiral Binding Wire