Oslon Square from OSRAM Opto Semiconductors makes even better use of light
12V/24V 5.7inch 60W Osram Square IP68 Heavy Duty LED Work Lights for Truck Tractor Construction Machinery - China LED Work Lamp, LED Tractor Lights | Made-in-China.com
Osram 2-Pin 16W 2700K GR8 2D CFL Square Lamp
12V/24V 5.7inch 60W Osram Square IP68 Heavy Duty LED Work Lights for Truck Tractor Construction Machinery - China LED Work Lamp, LED Tractor Lights | Made-in-China.com