The Uni Kuru Toga Roulette is a high quality mechanical pencil made by Uni-Ball that features a proprietary system for rotating the lead automatically. More information on the engine can be found here. The Roulette is an updated version of the popular Uni Kuru Toga pencil. These pencils are considered a drafting due to the lead pipe size, but making long lines wont make the mechanism keep it crisp and even. These are sought as a "good writing utensil for writing and drafting" trivia at one point
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Uni Kuru Toga Roulette Mechanical Pencil - Silver - 0.5 mm – Bunbougu
