3-inch and 4- inch hinge

Model: HE-07-09
Specification: 
3 inch, Iron
3 inch, Stainless steel
4 inch, Iron
4 inch, Stainless steel
4 inch, Iron, Hydraulic buffer
4 inch,  Stainless steel, Hydraulic buffer
175 degrees, iron
175 degrees, iron, Hydraulic buffer