[brown] single key 4-head single turn (dual use in car and home) [black] single key 4-head single turn (dual use in car and home) [brown] single key 8-head single turn (dual use in car and home) [black] single key 8-head single turn (dual use in car and home) [brown] double key 4-head double rotor (dual use in car and home) [black] double key 4-head double rotor (dual use in car and home) [brown] double key 8-head double rotor (dual use in car and home) [black] double key 8-head double rotor (dual use in car and home) [brown] magnet type (dual use in car and home)

european standard american standard british standard