Tough metal Pavo construction binds documents firmly, ensuring page security and a lasting finish , Economical packaging 100 pieces Material: metal; 7.9mm A4 Rings; 34 loops can be used on all metal binding machines; Allows you to bind your files without the risk of awkward opening of... Product Description Binding is ideal to present your documents; a neat presentation, flat documents. TRADE BINDING WIRES Elements Twin Loop Wire-O 16 24 A5 3:1 2:1 PAVO Silver Binding Wires Fellowes Wire Binding Spines, 9/16", Holds 130 Sheets, Black, 25 Pack (5255601 Long Stapler Ideal for creating contemporary, quality documents that require permanent binding, suitable for use with any 3:1 pitch wire machine Rayson 6.4 Wire Binding Spines, 20 Sheet Capacity A4 Black Binding Wires Pack of 100 Box Contains Premium Wire Binding Use with a wire machine.