4 light signal red/green/2yellow standard left/right offset square head.
Berko B604 4 ASPECT (R/Y/G/Y) STANDARD SQUARE HEAD
Berko B667L 4 ASPECT (R/Y/G/Y) STANDARD LEFT OFFSET ROUND HEAD (TYPE 2)
Berko B644 4 aspect (R/Y/G/Y) standard T junction square head
Berko B645 4 ASPECT (R/Y/G/Y) STANDARD T JUNCTION ROUND HEAD
Berko BH10 4 aspect square signal head (R/Y/G/Y) long wires
4 aspect (R/Y/G/Y) platform right offset square head Berko B674R
