Product Info Catalog Hardware Builders Hardware Springs Compression Springs, 7/16-In. OD x 2-1/8-In., 4-Pk. Compression Springs, 7/16-In. OD x 2-1/8-In., 4-Pk. Request a Quote UPC: 38594006764 SKU: 682112 Model Number: C-676 4 pack, 7/16" O.D., compression spring, 2-1/8" length, .032" wire diameter, .402" solid height, 3.85 lb maximum safe load.