National 4 In. Square Satin Brass Spring Door Hinge Cobra Shell is designed with a

Shell is designed with a removable carrier that houses the GTI transponder within the key

providing an air gap below the EGG

keeping everything cooler versus clear or black

Cartons are heavy-duty cardboard of uniform size and distinctive yellow color for better retail identity

Mounting hardwqare is included

National 4 In. Square Satin Brass Spring Door Hinge Cobra Shell is designed with aCatalog model No. V520 series square spring door hinge. Adjustable tension. Listed for fire rated openings. Ideally suited for residential as well as commercial, industrial, and institutional uses. Manufactured with cold rolled steel. Closing speed is adjustable. Fits standard hinge cutout. Square corners.