Comparison : Item # HCB-2270, Halogen Double Contact Bayonet Lampholders
Item # HCB-2272, Halogen Double Contact Bayonet Lampholders
Item # HCB-240, Halogen Double Contact Bayonet Lampholders
Item # HCB-25, Halogen Double Contact Bayonet Lampholders
Item # HCB-275, Halogen Double Contact Bayonet Lampholders