Hager 1250 Single Acting Spring Hinge 4 X 4
4 " X 4 " Full Mortise, Square Corner.
For maximum versatility use all spring hinges or a combination of spring hinges and ball bearing hinges. Do not use plain bearing hinges. Full spring tension may not be required on all hinges. Strong wind conditions, drafts, carpeting drag, twisted/misaligned frames, or weatherstripping on doors may require additional spring hinges. Material: - Steel with Steel components