Product Info Catalog Hardware Builders Hardware Springs 1/4-Inch OD x 1/2-Inch Compression Spring, 6-Pack 1/4-Inch OD x 1/2-Inch Compression Spring, 6-Pack Request a Quote UPC: 38594005101 SKU: 681825 Model Number: C-510 6 Pack, 1/4" OD, Compression Spring, 1/2" Length, .035" Wire Diameter, .262" Solid Height, 11.4 LB Maximum Safe Load, Polybag.