Product Overview Socket for BA15s bulbs For all BA15s bulbs (15mm single filament bayonet bulbs with opposed pins, both pins at the same height), such as the 1156. Made from heavy gauge steel, features 3 mounting holes in the bracket, and 1 ground wire hole. There is also a ground-wire screw-terminal as well as a center-contact screw terminal. For additional specifications, please review the item specifications. Reviews (No reviews yet) Write a Review