About this product
- For use with LCN 4050A door closers
- Required for parallel arm mounting where top rail is less than 5-3/4" (146 mm), measured from the stop
- Requires 2-1/4" (57 mm) minimum top rail
Description supplied by Trudoor through its current Shopify listing. Product, performance, and health claims are the seller’s and have not been independently verified by StorkScout.






