Beautiful pull up bar. HOWEVER, it comes with no instructions for installation, and no bolts to install. No guidance on what size bolts would safely install it in concrete walls, or in framed drywall. I have to go on the internet to ‘figure out’ how to install it. No engineering to do it safely. It’s a pathetic way to do business. If you’re selling a pull up bar, it’s reasonable to expect you’ll tell me how to install it safely. Super disappointing…..and your customer care folks say, ‘oh…sorry. You can send it back.’ I just bought a flat screen tv. It comes with EXTRA BOLTS of any possible size required to ensure you’re covered. Also careful instructions written to make sure you don’t have the thing fall off the wall.