A good selection of Hinges, Bolts, stops, including Kitchen and Bath hardware built with continuous improvement in design has resulted in quality products which last a long time. The products are developed after a good deal of research in order to ensure that the best of material is used and is weather proof and corrosion proof and is ideal for any environment. Features. Steel 4 1/2 x 4 1/2 Spring Hinge Single Actions. Tension Hex Wrench, Straight Wrench, Locking Pin and Steel Screw. Limited 1 Year Mechanical and 1 Year Finish WarrantySpecifications. Color Satin Nickel. Material Steel. Dimension 4.5 x 4.5 in.