These are CNC Billet 304L SS billet flanges. They come in tall and short, the tall is about 1.125" tall for a smooth transition and the short is about 3/4" and are a bit less expensive. both have a tilt to make welding between the tubes much easier. Uses 3/8-16 2" bolts or studs, recommend using dissimilar metal such as zinc, oxide or titanium bolts or studs (sold separably). No waiting time, in stock and ready to ship if you can add to cart.
sold one ea.