Overview Reviews Product Description Paper Mate InkJoy 100ST Cap Ball Pen BlkPk10 Box of12 features smooth ink and a reliable and fluid to draw clean lines from beginning to end. Tip size: 1.0mm. Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × Paper Mate Paper Mate Inkjoy 100ST BP Black Pack of 10 Box 12 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments