The OEM Twist Top Mechanical Pencil NSN3176140 features a push-action mechanism that advances the lead with ease. Its twist top allows for raising and lowering the extra-large vinyl eraser, ensuring precision in your writing tasks. The black barrel includes a sliding sleeve that retracts to prolong write-out and protect your pocket. This pencil uses a 0.7mm medium point with #2 grade lead and is made from 46% post-consumer material.