Fisher Space Pen, Bullet Space Pen with Clip and Stylus Tip, Matte Black (400BCL/S) Writes at any angle, even in Zero Gravity. Simply the most versatile pen ever made. Writes in extreme temperatures from -30F to 250F Each Fisher Space Pen is precision assembled, hand tested, and carries a lifetime guarantee against all manufacturing defects Includes removable clip The Stylus on this Space Pen has a hard nose. It will NOT work on Iphone/Ipad/Android tablet/smartphone screens