Prime-Line B 548 Sliding screen door high density polyethylene roller, Bolt, Nut and high density polyethylene Bushing (2 Pack)

Used on a variety of sliding screen doors and some glass patio doors (bottom mount only), 1 inch yellow zinc concave (grooved) roller that is 5/16 inch wide, Features a 1/4 inch inner diameter ball bearing axle, Includes 1/4 inch-20 x 3/4 inch carriage bolt with nut, Please refer to the line art drawing and compare with your needs item before purchasing (Not Universal)