3" H x 3.5" W Spring Single Door Hinge

Double action spring hinge which swings door both directions then return the door to the center; self-closing Adjustable spring tension returns the door to the opening at the desired force Commercial Grade Fits door 3/4" to 1-3/8" thick Holds Doors up to 35 lbs and 2' (24") wide – requires two hinges • Doors up to 50 lbs. and 2'2" (26") wide – three hinges