Prime-Line B 740 Sliding Screen Door Roller, Spring-Loaded, 1-1/4 In. Steel Roller (2 Pack)

Used by Arcadia, Guardian and a variety of other sliding screen door manufacturers, Spring-loaded arm with roller attached with an adjustable steel housing, 1-1/4 inch diameter concave (grooved) steel ball bearing roller, Steel ball bearing roller will roll smoothly, Please refer to the line art drawing and compare with your needs item before purchasing (Not Universal)