Prime-Line B 638 1 In. Screen Door Tension Spring with Roller, for Academy Doors(2 Pack)

Compatible Door Type: Used on Monar screen doors for reliable replacement and repair | Tension Spring Specifications: Features a 1-3/4 inch tension spring with an off-set bend for proper door alignment | Roller Design: Equipped with a 1 inch diameter concave roller for smooth door operation | Durable Construction: Heat treated V style tension spring and high density polyethylene roller ensure long-lasting performance | Important Compatibility Note: Please refer to the line art drawing and compare with your needs item before purchasing (Not Universal) | Cost-Effective Solution: Replaces worn-out rollers without the need to replace the entire screen door | Adjustable Height Feature: Bent or angled flat spring positions the roller assembly so that an adjusting screw adjusts the height of the roller as needed