These Prime-Line Products 1/2 in. Steel Roller Assemblies (2-Pack) feature nylon-constructed housing and are used on Superlite Series 8000 windows. The rollers serve to promote energy efficiency.
- Used on Superlite brand Series 8000 windows
- Nylon housing construction
- 1/2 in. diameter steel roller
- Helps keep windows energy efficient
- Install 2 per window
- Includes 2 roller assemblies