спиральное кольцо

1.Our wire ois made of the imported rubberized wire.2.The surface of the nylon coating is lustrous, extremely thin and symmetrical;3.The central steel of the wire is rigid, which make it stay for long time.4.No matter appeareance or durability, it will be more better than the normaldouble wire.5.Ourwire oare easy to presses the circle and convenient to bind.6.It is suit for binding the book, calendar, live notebook, atlas, diary book, products catalog and so on.7.Our wire o is suitable for office supplies.Advantages: 1. Free precut service. 2. Good quality. 3. Full range of specifitions-size from 1/4"to1-1/2". 4. Wide choices of colours.Double Wire Specification: SizePitchRecommended max ThicknessApprox Number of Sheets(80gsm)1/4"(6.4mm)3:1(4.8mm)455/16"(7.9mm)(6.4mm)603/8"(9.5mm)(7.9mm)757/16"(11.1mm)(9.5mm)851/2"(12.7mm)(11.1mm)1009/16"(14.3mm)(12.7mm)1205/8"(15.9mm)(14.3mm)1355/8"(15.9mm)2:1(14.3mm)1353/4"(19.0mm)(17.5mm)1657/8"(22.2mm)(20.6mm)1801"(25.4mm)(23.8mm)2001-1/8"(28.6mm)(25.4mm)2301-1/4"(31.8mm)(28.6mm)2601-1/2"(38.1mm)(35.0mm)320