Prime-Line B 704 1 In. Steel Ball Bearing Screen Door Tension Spring, for Columbia and Uni-Fit Doors (2 Pack)
$7.99
by PRIME-LINE
Used by Pacesetter doors and a variety of sliding screen door manufacturers 3-5/8 inch overall length 1 inch diameter concave steel ball bearing roller High tension spring steel and roller Please refer to the line art drawing and compare with your needs item before purchasing (Not Universal)