Product Info Catalog Hardware Builders Hardware Hinges Double-Acting Spring Hinge, Brass, 3-In., 2-Pk. Double-Acting Spring Hinge, Brass, 3-In., 2-Pk. Request a Quote UPC: 38613115309 SKU: 184440 Model Number: N115-303 2 Pack, 3-Inch , Dull Brass Finish, Double Acting Spring Hinges, For Doors 3/4-Inch To 1-1/4-Inch Thick, Note, Maximum Door Weight, 30 LB, 2 Per Pack.