National 4 In. Oil Rubbed Bronze 1/4 In. Radius Spring Door Hinge Brand_KILZ Hultafors Tools professional-grade kneepads have

Hultafors Tools professional-grade kneepads have a hard

Tested for structural applications and can be used to resist wind and seismic loads

and other finish applications

rated at 150 psi at 73 degree

National 4 In. Oil Rubbed Bronze 1/4 In. Radius Spring Door Hinge Brand_KILZ Hultafors Tools professional-grade kneepads haveCatalog model No. V521 series. Cold rolled steel. Designed for hanging self closing doors in basements, stairways, garages, and entrances. Can be used in residential, commercial, and apartment buildings. Hinge is UL approved for fire doors. Closing speed is adjustable. Fits standard hinge cutout. 1 4' radius, round corner automatic door closing spring hinge.