4 light signal red/green/2yellow standard square head.
Berko BH10 4 aspect square signal head (R/Y/G/Y) long wires
Berko B605 4 aspect (R/Y/G/Y) standard round head
Berko B665R 4 ASPECT (R/Y/G/Y) STANDARD RIGHT OFFSET ROUND HEAD
Berko B667L 4 ASPECT (R/Y/G/Y) STANDARD LEFT OFFSET ROUND HEAD (TYPE 2)
4 aspect (R/Y/G/Y) standard right offset square head (type 2) Berko B666R
Berko B462 2 ASPECT (R/G) STANDARD T JUNCTION SQUARE HEAD
