Nylon outer housing, aluminum inner housing with center grooved nylon wheel with adjustment cam. Contents: 2 roller assemblies, installation screws.
Product specification\n\n
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| Brand | Prime-Line |
|---|---|
| UPC | 049793006844 |
| Model Number | B 684 |
| Application | For residential applications |
| Feature | Nylon outer housing aluminum inner housing |
| Category | HARDWARE |
| Additional Category | Door Rollers |
| Length | 7.0 |
| Width | 4.0 |
| Height | 4.0 |
| Weight | 0.11 |
