1.Environmental nylon coated metal double loop wire 2.High adhesion, nice look ,anti- ... 25.422.23600 Nylon Coated Metal Double Loop Wire, also known as Twin Loop Wire, Double-O® Wire, Wire-O, and WireBind ... quality carbon steel ,and select the high quality nylon as the outer materials, In this way ... has stable quality , low wastage. Double Loop Wire Binding provides a sophisticated look for documents up ...