Prime-Line U 9862 Sliding Door Keyed Lock, Push-In – Replace Broken Parts and Add Additional Home Security, Painted Diecast Case, White Finish (Single Pack)

I bay 2 one is working and other is broken after 1 hour of using

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Deixa duro excelente para quem tem janela de alumínio

Fitted easily to my up and over door,only four stars as key is difficult to insert

The quality is very good, unlike 3 other types of keyed window locks that I had in my house. Usually these types of window locks aren't well made - they get stuck, hard to get key out, hard to push latch in, thin metal. Not this Prime-Line lock. It's solidly built and all operations are smooth. It comes with two ways of mounting as shown in the picture. Each way had 2 pieces, so that the window can locked fully or at a partially open position, which is good for hot summer days. Installation tip: drill pilot holes before driving the screws in to avoid cracking the wood. Think about where glass is usually inserted into the wood to avoid drilling into glass and breaking it. There's sharp dimple at the tip of the bolt for marking the hole on the other side. Use the mark to position drill bit.

Perfect for what I needed, well made easy installation. Keys slide in and out of the lock smoothly.