CALIFORNIA WARNING: This product can expose you to chemicals, including lead and DEHP, which are known to the State of California to cause cancer and birth defects, or other reproductive harm. For more information, go to https://www.p65warnings.ca.gov.
Medium base (larger than No.44 lamp) lamp socket with bracket typically holds No.89, No.63 and other medium base bayonet bulbs.
Two terminal lamp holder has .75 inch long bracket
Reference:
24-6421-4