Our commercial 6 inch bar stool swivel is the same swivel that we use on our 1600, 1400, and 1900 series bar stools. It is an American made steel swivel and perfect for many bar stools out there in the field. We offer two varieties. We offer a flat version which works for round style seats and then we offer a 3 degree pitch version that works with bucket style seats. Model 1430 is an example of a bucket style seat. Please make sure you check with us if you have a bar stool from a different manufacturer. The basic rule is that if you have a bar stool with a back, and you want to lean back into the seat, you probably need the 3 degree version of the swivel.