The OEM Pentel Twist-Erase Click Mechanical Pencil PENPD277TBP2PBC supports breast cancer awareness, with a portion of proceeds donated to the Breast Cancer Research Foundation. Its pink-tinted barrel allows for easy monitoring of lead supply, while the latex-free grip enhances comfort during use. The convenient side button advances the 0.7mm lead effortlessly without changing hand position. This mechanical pencil features a refillable, extra-long twist-up eraser for extended use, and it is compatible with Pentel Super Hi-Polymer Lead and E10 jumbo refill eraser.