4-1/2 Heavy Duty Spring Hinge

Made in the USA., Hinges are not handed. They will work on both right hand and left hand doors., Easily adjusted spring tension. See the document

Zoro Select 1CAC4 4-1/2W x 2H Gray Enamel Spring Hinge

Letowe Heavy Duty Gate Hinges 4 Pack, Black Iron 3.5 Inch Door Hinges for Wood Shed

Heavy Duty Hinges

Cal-Royal BB14031 Full Mortise Standard Weight 2 Spring Hinges (SH140) and 1 2-Ball Bearing Hinges (BB31) - 4 1/2 x 4 1/2 - Template

Heavy-Duty Commercial Grade Ball Bearing Hinge, 4-1/2 Inches, Square C — Stone Harbor Hardware

Butt Style 4-1/2 x 4 Spring Hinge

Hager EC1105 - Spring Hinge

Hinges and Hardware Suppliers

Everbilt 4-1/2 in. Square Radius Matte Black Adjustable Spring Hinge 28906 - The Home Depot

Typically used on exterior doors for a business or commercial property Square and 5/8 inch radius corner and 4 inch height Constructed from high gauge

Prime-Line U 1159383 Door Hinge Commercial UL Adjustable Self-Closing Spring Hinge, 4 x 4 In. w/ Unilateral Square & 5/8 In. Radius Corners, 4 Holes

L.I.F Industries 4-1/2 in. x 4-1/2 in. Square Gray-Primed Steel

Automatically closes door - an alternative to overhead mounted door closers. Ideal for use in Corridors,Boilers, Apartments, Entrances and Stairways.

Stanley Hardware 2060R 4-1/2 X 4-1/2 Heavy Duty Automatic Self Closing Spring Hinges Square Corners In Pack Of 3 (Prime Coat)