Prime-Line Products has been America’s resource for supplying repair, replacement and safety parts for windows and doors since 1978. This casement operator features a hardened steel arm driven by a worm gear mechanism for superior strength and long lasting durability. When Prime-Line window products are properly installed, lubricated annually and cleaned, they will last for many years.
Brand Name: Prime-Line
Features
- Rugged die-cast construction
- Hardended steel worm drive and gears for durability
- Steel constructed 8″ arm
- Square type operator with crank handle included
- Left or right hand operation is determined by viewing the window from inside.
- For use on steel and aluminum framed windows
- 3/8″ diameter spindle













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