National 3.5 In. Satin Nickel Square Spring Door Hinge shears dust barriers

dust barriers

The Round Drip Pan features an easy to clean

Easy installation behind static gable louvers

Lifetime mechanical and finish warranty

K Style inside steel mitre/corner provides 2-pieces of gutter to continue along and inside roofline junction

National 3.5 In. Satin Nickel Square Spring Door Hinge shears dust barriersCatalog 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.