The UI-12 Quill Stem is a good option if you're in the market to run a 31.8 handlebar on a bike with a 1" threaded steerer tube, like the Romanceur or Canti Bolt. It doesn't have a whole ton of rise, if you are after rise the Nitto X Crust UI stem or the BJ may be a better option.
Made in Japan using heat treated 4130 Chromoly
Clamp Diameter- 31.8
Drop Angle- 71° (would be level on a bike with a 71° headtube)
22.2 Quill (1" Threaded Steerer Compatible)
Max Height- 45mm
Overall Quill Length- 150mm