#Paper Mate Mechanical Pencils 0.7mm Pack of 4 *new*. Papermate Non Stop Mechanical Pencils are 0.7mm leaded mechanical pencils with a simple twist action. These pencils are HB leaded and with a simple twist at the fingertips the lead can be retracted and advanced. The pencils are spring loaded point to reduce lead breakage. These pencils also feature erasers on the end as a handy way of correcting any mistakes. This great value pack of is perfect for home, office or student use. Mechanical Pencils offer the benefits of a pencil with the longer-lasting advantages of a refillable pen.