Prime-Line D 1551 Sliding Door Tandem Roller Assembly w/ 1-1/8'' inch Steel Ball The Prime-Line D 1551 Sliding Door Tandem Roller Assembly is a sturdy and reliable hardware component designed specifically for sliding doors. With a 1-1/8 inch steel ball for smooth operation, this roller assembly is suitable for home improvement projects in the building and hardware category. The item stands at 18 inches tall and 8 inches long, making it suitable for various sliding door sizes. The gold color adds a touch of elegance to the overall design, making it both functional and aesthetically pleasing. Brand: Unbranded / Generic Material: Steel Finish: Gold Mounting Type: C-Tab Roller Type: Tandem Roller Diameter: 1-1/8" Roller Width: 5/16" Roller Edge Type: Concave Bearing Type: Ball Number of Rollers: 2 Application: For Residential Glass Doors Dimensions: 3-1/8 in L x 11/16 in W x 1-1/16 in H Item Weight: 0.35 lb Packaging: 1 Pack, Carded