National 4 In. Satin Nickel 1/4 In. Radius Spring Door Hinge Hand Cleaners hexagon shaped head allows easy

hexagon shaped head allows easy installation with a 5/16" nut driver or screw gun

polished surfaces

designed to enhance bonding & water resistance of concrete patching materials

l-shaped replacement door bottom with vinyl fins

drive in latch

National 4 In. Satin Nickel 1/4 In. Radius Spring Door Hinge Hand Cleaners hexagon shaped head allows easyCatalog 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.