Detailed Product Description pocket cushion spring:Our company produces pocket spring units for use in sofa manufacturing. Below are the specifications that we currently work with. size(cm)H(cm)row countcoilswire diameter(mm)turns40*458-106*7421.8440*4511-136*7421.8445*5014-157*8561.8445*5016-177*8561.8440*458-106*7422445*5011-137*8562445*8014-157*12842445*8016-177*128424Wire diameter : 0.9-2. ...