[Length] approximately 8 cm (inner plate part about 3 cm [Product Description] Advanced Technology for proven in experimental aircraft x 2 – Key Chain. The 1 model but not to be announced on September 28 2016 years, the advanced technology proven machine (Advanced technological demonstrator – X, ATD – X) along with an official names. It also projects the whiter with the 部内 meaning youve been called the "心神 (sinsin". The local fighter plane stealth research and machine that has been developed for proven technology and an advanced elements that can be applied to the future. Stealth Technology and know-how to failure due to its purpose and shape. Through research, development Its Personality, then an average current generation fighter plane and it is much small than.