YALE UPVC Letter Plate Restrictor

The Yale P-YLPR Letter Plate Restrictor restricts the opening of the letter plate from the inside of your house. Adjustable to allow full closure, part restriction or full opening, the letter plate restrictor can prevent visibility of occupancy and reduces the risk of vandalism, fishing and lock manipulation. The Yale P-YLPR is simple to fit, compatible with most letter plates, and suitable for wooden, PVCu & composite doors.