“Perfect replacement for old or damaged, but just as good for install from new window with nothing in place. Works perfectly with the spiral sash. For the diy person, depending on how you want to install it you will need either a pop rivet gun or small screws and a small drill bit to make hole in the frame, spiral end then snaps into it.”
“They work well but were taped to the outside of the box so went unnoticed until i broke the box down for recycling , inital thought was they were delivered”
