Overview Reviews Product Description uni-ball Eye Fine Designer Series Violet Bx12 is a specialized, stylish variant of the popular Uni-ball Eye (UB-157) rollerball pen range. It is characterized by its fashionable, colored barrels. Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × Uni-Ball uni-ball Eye Fine Designer Series Violet Bx12 is a specialized, stylish variant of the popular Uni-ball Eye (UB-157) rollerball pen range. It is characterized by its fashionable, colored barrels. Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments