Wacom on Twitter: "@AktasZulfikar Thank you for reaching! These pens are compatible with the Intuos2: XP110 Intuos2 Inking Pen XP120 Intuos2 Stroke Pen XP300E Intuos2 Classic Pen XP400E Intuos2 Airbrush Pen XP501A
Amazon.com: Wacom KP504E Pro Pen 2 with Case, black : Electronics