... colors: white, black, blue, green, red, yellow, pink, silver, etc.Custom colors are also vailable3,Gross weight: 450kgs(+/-5%)Green ... with nontoxic materialSuitable for binding spiral, underwear, bra hook, etc.Double loop wire and iron single wire include powder coated ... . It can use in notebooks, diaries, photo albums, calendar,etc'Diameter(mm)Diameter Tolerance(mm)Tensile Strangth(N/mm2)Weight ...