... )Specification: 15x13, 22x20, 28x26, 18x16, 24x24, 20x18, 26x24 Gas Spring end cap with metal eyeISO9001: 2000Specification: ¢15×13, ¢22×20, ¢28×26, ¢18 ... springs, dampers and shock absorbers.Others: Gas Spring tube connector end cap with metal eye