Product Info Catalog Hardware Builders Hardware Springs Compression Springs, 7/32-In. OD x 1-3/8-In., 4-Pk. Compression Springs, 7/32-In. OD x 1-3/8-In., 4-Pk. Request a Quote UPC: 38594006047 SKU: 639872 Model Number: C-604 4 pack, 7/32" O.D. x 1-3/8" compression spring, .020 wire diameter, .305 solid height, 2.60 lb maximum safe working load.