Pentel Twist-Erase EXPRESS Mechanical Pencil 0.9mm, Red Barrel, Box of 12 (QE419B) Quick-click side button advances lead without interrupting your writing Clear barrels with color accents for a stylish twist on pencils Mistakes are no match for the larger than ordinary and long lasting twist-up eraser Extended comfort grip (also latex-free); Perfect no matter how you hold your Pencil Durable metal clip withstands repeated use