Prime-Line D 1798 Roller and Axle Kit, 1/4 in ID x 1-1/4 in OD Dia Roller, 5/16 in W Roller, Nylon/Steel

Prime-Line Roller and Axle Kit, Bearing Type: Ball, Roller Edge Type: Concave, Roller Width: 5/16 in, Roller Diameter: 1/4 in ID x 1-1/4 in OD, Nylon/Steel, Gold/Zinc, Suitable for: Sliding Patio Glass Doors, Includes: Assorted Axles