Well made: Fully made of Ti-6Al-4V titanium alloy, composed of 7 components and use a universal fit D1 metal mini refill. The outer surface treated with hand polishing and grinding, make this pen outstanding. Creative design: The refill can be pushed out and retracted by using the L-shaped bolt button, reserve a 4mm hole on the top for hanging keychain or necklace. ------------------------------------------- Product Information Material: Ti-6Al-4V titanium alloy Total length: 91mm Diameter: 7.9mm Weight: 11.3g Packing list: KP00 pen x1, refill x3, coil spring x2, grateful card x1, brand sticker x1 Package: PP storage case
