OSRAM are the leading Original Equipment (OE) bulb manufacturer supplying all of the leading car, truck and van manufacturers. The OSRAM TRUCKSTAR PRO range of 24V bulbs are designed for fleets and professional users. The TRUCKSTAR PRO range is an upgraded Heavy Duty long life version of the standard OSRAM Original equipment 24V bulb range. The OSRAM TRUCKSTAR PRO bulbs offer over double the service life compared to a standard OSRAM OE bulb with the added benefit of up to 100% more light. The extended life combined with the heavy duty vibration resistant qualities make the TRUCKSTAR PRO bulbs ideal for fleet owners and professionals who want to 'fit and forget' - extending bulb replacement intervals, reducing downtime and helping to keep trucks on the road. These 24V bulbs are fully road legal and comply with ECE regulation 37 and are supplied in a box of 10 bulbs.