This Sliding Screen Door Roller is one of the most popular rollers made, it is used by several patio screen door manufacturers. The steel spring is coiled in a "S" configuration, and is made of heat treated, high tension steel. The nylon wheel has a 1/4 inch (6.4 millimeter) center groove.

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Material: Steel

Roller Material: Nylon

Roller Outside Dimension: 1 in. (25 mm)

Roller Profile: Concave

Roller Width: 1/4"