Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Nice concept, poor quality - exchanging for a replacement

I like the concept and in general have been pleased with Manfrotto however I received the item today and found that it was built wrong and did not work. The 2 black round holder pieces don't touch so the teeth don't connect. As soon as you extend the arm it just rotates to the floor so it can't hold the reflector off the floor. I purchased a Manfrotto tripod head last year and one of the tension knobs was bent. I called Manfrotto for a replacement and they sent the wrong part. Several weeks later after trying to contact them and waiting on a response I finally got thru and they sent the correct replacement knob. I am growing concerned with Manfrotto's quality control.As usually, Amazon's excellent customer service is taking care of this problem and they are sending a replacement (hopefully it's quality is better). Thanks Amazon for the amazing customer service.