McKinney 1502 4.5 X 4.5 26D

McKinney full mortise single action spring hinge, standard weight.

• Spring hinges are an alternative to door closing devices. For maximum performance it is recommended to use all spring hinges on the door.
• This non-handed spring hinge series is adjustable and tension can be added or reduced by means of a hex key that is provided
• Caution: Use of gasketing for smoke or sound protection, wind conditions or unbalanced air pressure, twisted or misaligned frames or doors, door bottoms, improper latch adjustment may prevent doors from latching. Additional spring hinges may be required.