Check the listing for details. E10 Lamp Socket 30VDC 0.5A Bulb Holder Screw Base with Mounting Bracket 10pcs. Color: Silver, Condition: New. Listed at 10.35 USD. DescriptionMade of nickel-plated copper, with good electrical conductivity and long service lifeBright and easy to use. Simply install it with standard tools and screw bulb by hand. The mounting bracket plate is helpful to install on the surface of electrical circuits.for old LED bulbs, halogen bulbs, CFL bulbs, or incandescent bulbs. Widely used on the experiment of electrical equipment, the light source of the flashlight, the indicator light or warning light of the distribution box, etc.SpecificationColor: Silver ToneMaterial: Nickel Plated CopperMax Power: 2WMax Current: 0.5AMax Voltage: DC 30VSuitable Light Socket: E10Total Size: 41.5x18mm / 1.63"x0.71"(L*H)Package includes:10 x E10 Lamp Socket.