Xeno Knock Retractable Click Eraser Bundle with 2-Pack Refill, Violet REFILLABLE AND CLICK RETRACTABLE: The Knock pen-style click eraser easily clicks to expend the sturdy refillable eraser inside the barrel while also retracting when needed to preserve the eraser tip COMFORTABLE, NON-SLIP GRIP: Each Knock eraser is designed with an ergonomic non-slip grip for a firm yet comfortable handle allowing for efficient erasing sessions STYLE MEETS FUNCTIONALITY: The simple yet tasteful coloring lends itself to the refined and sleek aesthetic of the Knock eraser, while the functionality of each pen-style eraser is bolstered by the attached pocket clip that adds extra carrying convenience and utility DESIGNED IN JAPAN, MANUFACTURED IN KOREA: Xeno delivers reliability and quality in each of their products as this ballpoint pen is made with exceptional craftsmanship in Korea utilizing research and development data compiled in Japan