Blue Roller Ball Pens, 0.5 mm Needle Point – Arteza.com
MD Needle Pen - Microneedling Pen and supplies
Mütter Syringe Pen – Mutter Museum Store
Amazon.com: Bedwina Syringe Pens - (Bulk Pack of 24) Retractable Fun Multi Color Novelty Pen for Nurses, Nursing Student School Supplies, Birthdays, Stocking Stuffers and Party Favor Gifts : Toys & Games