The MONO Graph Mechanical Pencil is Tombow’s #1 selling mechanical pencil. • It features an innovative shake-mechanism that allows the user to extend the lead by simply shaking the pencil. • The pencil’s clip is equipped with a shake lock that prevents accidental lead extension. • Lightweight yet sturdy barrel with comfortable grip. • A 4mm long fixed guide pipe prevents the lead from breaking and enables users to write firmly, stably, and comfortably. • Features one of Japan’s most popular erasers, the MONO Eraser. • Simply twist eraser to extend for use. • Easy to refill both lead and eraser. • Comes pre-loaded with 2 pieces of high-performance 0.5 mm HB lead. • Available in Tri-Color, Black, and Blue body colors.