4 Bulbs, 50 Watt Bi-Pin Halogen Light Bulb, 120 Volt, G6.35 Base, 50 Watt JC Type Bulb, 4XG635-120V-50W Set of 4, JC Type G6.35 Halogen Bulb 120V 50W Base: G6.35 Clear Bi-Pin Base (6.35 Millimeters between Pins) Dimension: See Picture Dimension: See Picture Long Life: Approx. 2,000 Hours bulb life Versatile Usage: Applicable Home, Office, Restaurants, and Stores