Hello Alpo and thank you for your interest and support of Moen products!
We are sorry to hear about your experience with your Moen R8932 Concealed Grab Bar. What you described is not consistent with the quality we strive to provide. We would be happy to assist you and troubleshoot the issues you are experiencing with your product. Please call us at 1-800-289-6636; we are available Monday through Friday from 8:00 am – 7:00 pm Eastern Time