Rocker Spring (Set of 2) from Furnacc. Top quality replacement set of rocker springs from the USA. Heavy duty 8-Turn 7g (4.47mm) spring wire. Two springs encased inside a metal cage for TOP FITTING. Supplied as a set of 2 for both sides of a rocker. Care needs to be taken when replacing springs due to the force of the 7g springs. May need two people to do the work.