Prime-Line B 754 Screen door Roller, 3-1/4 In. Flat Tension Spring, Stainless Roller (2 Pack)

Used by Columbia and a variety of other sliding screen door manufacturers, 3-1/4 inch straight tension spring, 1 inch diameter concave plastic roller, Heat treated spring and weather resistant stainless steel roller, Please refer to the line art drawing and compare with your needs item before purchasing (Not Universal)