Product Info Catalog Hardware Builders Hardware Springs Compression Springs, 9/16-In. OD x 3-In., 2-Pk. Compression Springs, 9/16-In. OD x 3-In., 2-Pk. Request a Quote UPC: 38594007662 SKU: 682302 Model Number: C-766 2 pack, 9/16" O.D., compression spring, 3" length, .054" wire diameter, .954" solid height, 12.9 lb maximum safe load.