The Eiko 48PSB 48V T2 Miniature Indicator Lamps are high-quality slide base light bulbs designed for use in various industrial and commercial settings. Made in the United States, these lamps come in a box of 10 units, offering durability and reliability for your lighting needs. The Eiko brand is known for producing top-notch lighting products, making these indicator lamps a trusted choice for businesses and facilities requiring efficient and long-lasting illumination.