Product Info Catalog Hardware Builders Hardware Springs Compression Springs, 7/16-In. OD x 2-1/4-In., 2-Pk. Compression Springs, 7/16-In. OD x 2-1/4-In., 2-Pk. Request a Quote UPC: 38594006900 SKU: 682138 Model Number: C-690 2 pack, 7/16" O.D., compression spring, 2-1/4" length, .041" wire diameter, .670" solid height, 7.7 lb maximum safe load.