Pentel MARK SHEET Mechanical Pencil 1.3mm (HB) AM13-HB Designed for use on standardised tests and documents that are read by a computer. The pencil fits any 1.3mm lead. Made in Japan The Pentel Mark Sheet mechanical pencil is ideal for use on forms read by optical character recognition (OCR), such as bubble sheets. The break-resistant 1.3mm lead allows for filling in the bubbles quickly. The pencil is also great for drawing. It has a capped eraser and is made of recycled plastic. The soft thick lead is ideal for drawing and writing notes.