... : can be stainless steel, alumilium, cold-rolled steel for the hinge or according to the drawings.2,Finish: nickelage, zinc coat ... or according to the drawings.3,Size: can be 4"x3" ... x2mm, 5"x4"x2.5mm, 5"x3"x3mm or can be made according to customer given drawings.4, Usage ... be used on door, window,carbinet.Our Factory Metal stamping hinge