Zebra Steel M Mechanical Technical Pencil Eraser Refills 7-Count Features premium quality, white, non-abrasive eraser refills, ideal for precise erasing Easily fix mistakes with minimal shedding and no ripping or ghosting Vigorous quality assurance testing guarantees durable performance for all Zebra products Crafted for quick and easy replacement Designed to complement Zebra's Stainless Steel M-301, M-402, Zensations Tect 2Way and Drafix mechanical pencils