These 40-gauge hinges are all stainless steel, built to ISO 2002 quality system specifications. Each hinge is drilled and offset on 2-inch centers for #4 or #6 truss-head stainless steel screws (not included). When fully opened, the hinge is 1-1/16” wide. Minimum order quantity is (1) three-foot length. Six-foot lengths are available on request -- call 305-743-4090 with your requirement.