Pentel Flex-fit mechanical pencil Flex-Fit™ Mechanical Pencil, .5mm Lead, Black Barrel Soft, no-slip rubber grip for writing comfort. Ultra-soft rubber grip yields to fingertips for superior writing comfort. Subtle, grid-like pattern provides a no-slip grip for greater control. Eraser cap keeps your eraser and lead safe and secure. Strong pocket clip ensures that you`ll never be caught without your pencil again.