This roller assembly with M shaped tension spring with a 1 in high density polyethylene ball bearing roller is used by several patio door manufacturers. The heat-treated tension spring is 2-5/16 in L and shaped like an M giving it the tension needed by the screen door to slide properly.
|Country of Origin||USA|
|Roller Diameter||1 In|
|Roller Width||1/4 In|
|Suitable For||Sliding Screen Doors|