Quartz Metal Halide HID Bulb, E17 Bulb Shape, Medium Screw (E26) Bulb Base Type, Metal Halide, 8500 lm, Bulb Operating Position Universal Burning, 100W, Trade Number 64417, Rated Life 10, 000 hr, High Output Bulb Type, 3000 K, 360 Degrees Bulb Beam Angle, 2 1/8 in Bulb Dia., 2-35/64 in Overall Length, Shatter-Resistant No