The Sliding Screen Door Roller features a 1/4 inch (6.4 millimeter) wide, one inch (25.4 millimeter) O.D. steel wheel, with a center groove. The 2-1/2 inch (63.5 millimeter) long steel tension spring is heat treated for durability. It is used by several screen door manufacturers.
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Material: Steel
Roller Outside Dimension: 1"
Roller Profile: Concave
Roller Width: 1/4"
Steel Length: 2-1/2"