Overview Reviews Product Description Staedtler Ballpoint Pen 430 Med Black Cup50 deliver a smooth ink flow for easy, comfortable writing. You can use them at home, school or work for your everyday writing needs, plus they have airplane safe pressure equalisation. Tip width 1.0 mm Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × Staedtler Staedtler Ballpoint 430 M Black Cup50 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments