Pentel EnerGel RTX Red Liquid Gel Pen delivers the ultimate writing experience with a stainless steel tip and super-smooth blend of liquid and gel inks that glide across paper. Acid-free ink formula is excellent for everyday notes yet safe for vital documents. 0.7mm medium metal tip conveniently retracts to protect pockets and purses. Latex-free grip delivers maximum comfort and control and the stainless steel accents offer a professional look. Refill with Pentel LR7 or any size/color EnerGel refill.