Tokujo-ka Key

Tokujo-ka Key (特状課キー) is a blue car-key shaped transformation device which allows the user to transform into production model of Kamen Rider Mach. This key is designed after the Tridoron Key, another car-key shaped transformation device and is fully colored blue like the Production Model Mach Driver. It also has a gold-colored logo of the Special Investigation Unit, true to its name.