Paper Mate 56033 ClearPoint Clickster Refillable Mechanical Pencil, 0.5 mm, Blue Barrel Highlights, Pack of 12 With its distinctive design, translucent barrel, non-slip grip and jumbo twist up eraser, it's a definite attention getter. Convenient click-advance button on the side lets you easily advance lead without releasing the pencil. Comfort grip for added control, and visible lead supply lets you know before you run out. Twist-up eraser advances or retracts with ease, and leaves no messy residue.