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1-1/2 inch nylon ball bearing rollers
Adjustable steel housing assembly
Housing dimensions: thickness, 11/16 inch; length, 3-3/16 inch; height,1-1/16 inch; overall thickness, 13/16 inch.

Diameter: 1-1/2-inch
Housing Tab Style: S-Tab
Housing Width: 11/16-inch
Material: Nylon
Roller Diameter: 1-1/2-inch
Roller Edge Type: Concave
Roller Material: Nylon
Type: Concave
Width: 11/16-inch