Prime Line 1 In. Steel Screen Door Tension Springs with Nylon Roller (2-Pack)

Roller assembly tension spring with a 1 in. steel ball bearing roller is used by a variety of patio door manufacturers. Heat treated tension spring is 2-5/16 In. long and shaped like an M, giving it the tension needed by the screen door to slide properly. Easy to install. 2 roller assemblies per package.