This is the Great Planes 2-56 Pull-Pull System. FEATURES: Provides light weight and precision control of rudder and elevator functions of model aircraft Installation instructions on back of header card INCLUDES: 4 clevis assemblies (nuts, swages, couplers, and retainers) One braided cable REQUIRES: Cutting cable to length and installing on servo arm and control surface SPECS: Cable Length: 81" (206cm), approximate length Clevis Thread Size: 2-56 jxs 9/02/03 ir/jxs