Prime-Line® has been supplying repair and replacement parts for windows and doors since 1978. These spring tension rollers from Prime-Line® feature a center-grooved wheel constructed with steel ball bearings for smooth and quiet operation. They come fitted with an adjustable heat-treated, high tension steel spring and are used by several patio door manufacturers. This type of roller assembly also features a 1/8-inch diameter holding pin to provide stability and easy mounting.
Brand Name: Prime-Line
Features
- Durable steel construction
- Heat-treated, high tension M-spring
- Steel ball bearings provide smooth, quiet operation
- Adjustable design used by several glass door manufacturers
- 5/16″ L x 1/8″ diameter locator pin holds roller in a fixed position
- Fitted with a 1/4″ W x 1″ diameter concave steel wheel
- Two roller units included per package
- Spring tension roller assembly dimensions: 1/4″ W x 1″ diameter













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