The Kanboro Tech ecube and the Kanboro Tech 510 Nail V3 have 5 different options for nails. You can choose from the 14.5 mm Titanium nail, the 16 mm Ceramic nail, the 16mm Quartz nail, the 15mm Quartz nail with metal cage, or the 15mm Ceramic nail with metal cage. The sizes are diameters and the interior of each is roughly the same due to the ceramic and quartz being slightly thicker than the titanium. The versions with the metal cage are slightly smaller than the others due to the addition of the cage.
