(Style Fit) This is a customizing pen with a product concept of "Choose from refills" and "Choose the Holder" [Features] The matte coloring with a low color saturation depicts an elegant bouquet, and the design is easy to match with any outfit Mechanism: Retractable; Specifications: 5 color holder; *Refills are not included. ) Size: Shaft diameter 0.5 inches (13.9 mm) x thickness 0.6 inches (16.9 mm) x total length 5.9 inches (149.3 mm); Weight: 0.4 oz (10.9 g) Compatible Refills: UMR-109 (Gel), UMR-129DS (Gel-Ink), SXR-89 (Oil), M5R-189 (Sharp)