About this product
- For use with LCN 4040XP door closers
- Required for parallel arm mounting where top rail is less than 5-1/2" (140 mm), measured from the stop
- Requires 2" (51 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.






