These tuning machines came off of my TBC 5-string bass and were replaced with some Hipshot Ultralites. Now they need to find a new home. These are fine quality tuners and would look great on your bass, especially if it's a more modern design or has a small headstock. They are in a 4+1 configuration and fit a 3/8" hole. Pretty sure these are made in China, but they are solid and not cheap feeling at all. They are also pretty lightweight. I mainly swapped them for the Hipshots b/c I like the aesthetics of the clover-leaf tuners better for my TBC. Let's say $30 shipped (USPS Priority Flat Rate).