Prime-Line MP515 Screen Door Tension Spring with 1-1/4 In. Nylon Roller (2 Pack)

Used by Bay Mills screen doors and a variety of other sliding screen door manufacturers, Installs by snapping onto the existing diecast door frame corner, 1-1/4 inch diameter concave plastic roller, Body and tension spring of the roller assembly is stamped steel with a polyethylene roller, Please refer to the line art drawing and compare with your needs item before purchasing (Not Universal)