National 4 In. Satin Nickel Square Spring Door Hinge Big Timber • Porcelain enamel coated cast

• Porcelain enamel coated cast iron for easy cleaning

Holes in the bottom of the straps allow for free concrete flow

Prevents Crabgrass For Up To 4 Months

Designed for hanging self-closing doors in basements

Cannot be painted

National 4 In. Satin Nickel Square Spring Door Hinge Big Timber • Porcelain enamel coated castCatalog 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.