TL;DR: Don't buy this. Doesn't fit typical countertops and doesn't drain.I bought this specific rinser due to the larger diameter than most others, especially when compared to a Delta rinser. I absolutely would have chosen the Delta if not for this one very important detail.The functional design problems on this unit are egregious, to the point that I can't recommend it in any way. First off, the mounting stem is at least an inch too short. If you have a standard 3 cm thick countertop, there is not enough length to get the mounting nut on and attach the supply hose. I came up with a solution using a 3D printed part I made, but this is a huge oversight that would have been very simple for the manufacturer to address.Secondly, as others have mentioned, there is absolutely no slope to the inside bottom of the rinser to aid in draining water from it. It's completely flat as far as I can tell, and you'll be left with standing water in it every time. It's a cast part. How they didn't decide to make it with a slope is unbelievable.The only thing this has going for it is the size, materials, and looks. It's attractive without substance. Yes it rinses glasses, but installation and actual function are so lacking it seems apparent that nobody actually tested usability before putting it to market.Look elsewhere.