Bulb Single Filament: No. 67 – 12VDouble Filament: No. 1016 (80915) – 12V Size 1-1/8″ Arm: 3-1/8″ Dia. x 3-7/16″ (D) x 4-1/8″ (H)2-1/8″ Arm: 3-1/8″ Dia. x 3-7/16″ (D) x 5-1/16″ (H)Lens: 2″ dia. at top Material Chrome die cast housing and acrylic lens Wire Connection 18 Gauge Unit & Package Sold by each, color display bag