Commonly found in automotive, marine, and landscape applications, LED bayonet bulbs provide great light, save energy, and last for years. Because of their cylindrical shape and locking pins, proper electrical connection is maintained.
BA9s / 1445 = 9mm base dia. (0.35'') Single contact, parallel pins
BA15s / 1156 = 15mm base dia. (0.59'') Single contact, parallel pins
BA15d / 1142 = 15mm base dia. (0.59'') Dual contact, parallel pins
BAY15d / 1157 = 15mm base dia. (0.59'') Dual contact, offset pins