... spiral binding wire, high quality 2) double wire, fast delivery 3) stong supply ability 4) bright surface 5) pass SGS 1, Doule loop wire ... also called twin loop wire or wireo binding. 2, Available in ... bind. 4, It is the ideal binding wire of high quality loose-leaf notebook, calendar ... album, diary ect. Specification:PITCHDIAMETER BINDING CAPACITY PACKAGE PER SPOOL LOOPSPACKAGE PER BOX ...