Twist-Erase Express Mechanical Pencils, (0.5mm) Assorted Colours, 4PC Pack with Refill Lead and Eraser - Pentel Twist-Erase Express Mechanical Pencil, Large Retractable Eraser, 0.5mm Fine Point, Assorted Colours, 4 Pencil Pack with Lead Refill Tube and Refill Eraser