-Twist-action retract mechanism. -Black Ink, Refillable Pentel Energel LR7 0.7mm tip. -Comes with elegently presented in a Pentel gift box. Pentel Sterling Gel Rollerball Pen 0.7mm Pentel Sterling is an attractive all-metal rollerball with a high-quality finish. Glossy lacquered barrel in a choice of White, Red or Black, with chromed trim and engraved ring. Medium black smooth-writing gel roller refill. - Refillable luxury gel roller capped pen - Silver coloured or lacquer coated barrel with contrasting silver coloured band - Simple, elegant and comfortable - Uses EnerGel ink for smooth, better writing - Comes in a premium case - Refillable with LR7 refill - 0.7mm tip - Black & Blue Colour ink