Coil spring with a 115 lb spring rate. Made with chrome silicon and has a chrome plated finish. 1-7/8" inner diameter and a 10" length. Available in a chrome plated or silver powder coated finish, QA1 offers 1 7/8" I.D. Coil Springs in 8'' and 10" free lengths. All QA1 springs are manufactured using the highest quality materials for high strength, consistency and long life. They are cold wound, heat treated and shot peened to ensure consistency, accuracy and durability. All QA1 springs are ground at both ends to ensure straight, consistent and accurate operation. They are either silver powder coated for excellent longevity, or are polished and chrome plated for the ultimate in appearance. Lengths and rates are clearly marked for quick and easy identification. All QA1 springs are lifetime guaranteed to remain within 2% of the original free height and rate under normal operating conditions.