Product Info Catalog Hardware Builders Hardware Springs Compression Springs, 3/4-In. OD x 3-1/2-In., 2-Pk. Compression Springs, 3/4-In. OD x 3-1/2-In., 2-Pk. Request a Quote UPC: 38594008386 SKU: 682435 Model Number: C-838 2 pack, 3/4" O.D., compression spring, 3-1/2" length, .080" wire diameter, 1.38" solid height, 28.7 lb maximum safe load.