Pocket Spring Series Features : 1)Wire gauge : 1.0mm-2.3mm (19Gauge-13Gauge) 2)Height:6cm-20cm(2.3 inches-8 inches) 3)Turns:4 turns-7 turns 4)Spring shape: Barrel and Sylindrical 5)Glue Pattern: Paralled and nested,zone pocket Small samples Different kinds of pocket springs : Packing : Roll pack & Flact pack Welcome your enquires,and we can produce Bonnel spring coils for mattress manufacturing according to your specifications.