Prime-Line D 1586 Steel Ball Bearing Sliding Door Tandem Roller Assembly

• Compatible Application: Used by Kawneer patio doors for heavy-duty sliding door applications • Secure Mounting Design: Features 1/4-20 machine screw mounting on top of housing for reliable installation • Heavy-Duty Steel Roller: 1-1/2 inch diameter concave steel roller designed for smooth and durable operation • Durable Construction: Diecast housing construction with ball bearing roller ensures long-lasting performance • Convenient Adjustment: Features rear screw adjustment for easy height and alignment modifications • Tandem Roller Configuration: In-line tandem inner housing design provides enhanced weight distribution and stability • Compact Housing Dimensions: Housing measures 1-13/16 inch tall and 1-1/8 inch wide, held securely by screws from top and end