Door-Hinge Spring-Hinge 4 x 4

Catalog model No. V520 series. Steel, template, nonhanded single acting. Adjustable tension. Can be used to convert existing doors to self-closing. Listed for fire rated openings up to 3'0" to 7'0" x 1-3/4". Ideally suited for residential as well as commercial, industrial, and institutional uses. Pivot point aligns with standard butt hinges. Packed 1 hinge with adjusting pin and tension pin. UL listed. Satin brass finish. Packed 1 hinge per visual pack with screws.No. N184556: 3-1/2" x 3-1/2"No. N184572: 4" x 4"