This Mono brand "Monograph" mechanical pencil strikes the perfect balance between smooth writing application and high performance erasing power. This mechanical pencil features a smart, sophisticated yet simple design that is ideal to use for both studying purposes or at work. Measures 0.3mm and comes in variuos colors Mechanical Pencil 0.3mm/Shaker/Twist Out Eraser Acrylic / Brass/ PC / Olefin / Styrene / Elastomer