Zebra Pen Eco-Friendly Mechanical Pencil, 0.5mm, Black, 2-Count These 0.5mm mechanical pencils are made up of 75% post consumer materials and waste making theme eco-friendly Wide mouth pocket clip can be attached to binders, books, legal pads and pockets for quick and easy access Soft, latex-free rubberized grip ensuring that you will have an effortless and fatigue-free writing experience Clear barrel allows you to monitor exactly how much lead you have left before you have to replace them These eco-friendly mechanical pencils are refillable with any standard 0.5mm lead