Phillips Industries is an innovator as well as distributor of a wide variety of commercial trucking products, serving both OEMs and the aftermarket. The company is a vendor to virtually every major tractor and trailer manufacturer in the U.S., and a leader in the parts aftermarket. Product Features:For ISO/auxiliary applicationsMeets ISO 3731 specificationsUses female ground pin3 o'clock, 9 o'clock and 12 o'clock positions available