1) Size: A4(285*315*75mm) / FC(285*345*75mm)

2) Spine: 2"/3"

3) Cover & liner: coated paper

4) Grey board: 1200 gsm to 1700 gsm (1.8mm,2.0mm,2.2mm ,2.5mm)

5) Mechanism including: 1 pc finger ring 1" dia., 

                                       2 rados on cover,

                                       2 iron shoes on bottom,

                                       lever arch mechanism,

                                       pressing bar

50 pcs/ctn, mechanism in same ctn