2 1 pitch spiral spine binding

{"cid":"91198067","title":"Electroplating 6mm Pitch Metal Coil Binding Spines For Wall Calendars","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/c4\/f3\/fc3abf39a1c51b3d9fa0c0fa42a2-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Sudi","Model Number":"6.4 to 80MM","Minimum Order Quantity":"1000 pieces","Delivery Time":"15-30 days","Certification":"ROHS , SGS , CPST","Place of Origin":"China","Payment Terms":"T\/T, L\/C, D\/P, Western Union, MoneyGram","Supply Ability":"500,000 pieces per month","Packaging Details":"Export carton","Tag":"Electroplating Single\/Nylon Covered Wire\/PVC Plastic","Finish":"Spiral Binding Coil \/ Wire-O Binding","Color":"eletroplated gold","maximum binding":"80mm","Packing":"Paper Box","Quality Check":"full inspection","Pitch":"6 or 8","Payment":"30% deposit and balance before loading"}}

{"cid":"91195494","title":"12.7 MM Wire-O Bind 3 IN 1 Double Wire Spiral Binding Custom color","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/df\/a2\/a8d3ce87448fc28383f4e2292dd2-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Nanbo","Model Number":"Double loop binding","Minimum Order Quantity":"100 pc","Delivery Time":"10 days","Place of Origin":"China","Payment Terms":"L\/C, T\/T, Western Union, MoneyGram","Supply Ability":"100000 pc for 10 days","Packaging Details":"100 pcs in a box, 10 boxes in a carton","Usage":"Bind notebook,calendar etc leafloose","raw material":"Nylon coated wire","coil pitch":"3:1 &2:1","Binding thickness:":"from 4 mm to 35 mm","Size":"1\/4\" 5\/16\" 3\/8\" 7\/16\"1\/2\"9\/16\"5\/8\" 3\/4\" 7\/8\" 1\" 1-1\/8\" 1-1\/4\" 1-1\/2''","Binding sheets":"from 45 sheets to 320 sheets","wire diameter:":"from 0.7mm to 1.5 mm","quality":"high","color":"white, black, red, green, blue, yellow and so on"}}