Product Info Catalog Hardware Builders Hardware Springs Extension Springs, 1/4-In. OD x 5-In., 2-Pack Extension Springs, 1/4-In. OD x 5-In., 2-Pack Request a Quote UPC: 38594002056 SKU: 681361 Model Number: C-205 2 Pack, 1/4" OD, Extension Spring, 5' Length, .034" Wire Diameter, 3.00" Maximum Deflection, 6.04 LB Maximum Safe Load, Polybag.