- Optional un-coated steel housing for additional installation options - CNC machined 1.1mm thick steel - Designed for installing Shorty and Shorty II and Shorty II Pro LED taillights and turn signals - Outside dimensions: 42.5mm wide x 11mm high x 14mm deep - Inside dimensions 40.5mm wide x 9mm high x 13mm deep - Mounting hole diameter 5mm. Note: Compatible with amongst others 943261, 943262, 943504, 922130, 922131, 922133, 922134, 943237, 943238, 943239, 922128, 922129, 922134 Shorty lights.