Pentel Products - Pentel - Quicker Clicker Automatic Pencil, 0.50 mm, Black Barrel - Sold As 1 Each - Original side advance pencil. - Latex-free molded grip for exceptional comfort. - Side button propels lead. - Metal clip. - Covered eraser. Original side advance pencil. Latex-free molded grip for exceptional comfort. Side button propels lead. Metal clip. Covered eraser.