Instruct: Classify Amazon reviews into positive or negative sentiment
Query: No problems for me, works perfectly

I bought this to use for my sliding door for added security because I don't trust the lock by itself. The directions were easy to follow and adjusting the length was a cinch. I tried pulling the sliding door open with this bar in place and it did not budge at all. This is a very sturdy bar and I feel safer with it in place. I'd recommend it to anyone.