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Ball bearing roller; adjustable steel housing assembly; used by many patio door manufacturers
Minimum Collapsed Height 1-5/8 inches

Diameter: 1-1/4-inch
Housing Tab Style: Plain Back
Material: Nylon
Roller Diameter: 1-1/4-inch
Roller Edge Type: Concave
Roller Material: Nylon
Roller Width: 5/16-inch
Type: Concave
Width: 5/16-inch

Related items:
13321 - 1-1/2 Steel
13322 - 1-1/4 steel
13323 - 1-1/2 Nylon
13324 - 1-1/4 Nylon