This standard lamp socket is available in Black or White, this miniature light socket or lampholder is perfect for that electronics idea or science project. This lamp holder features a rolled shell of nickel plated brass mounted on a base with two screw terminals and two pre-drilled holes to mount to a project board. The base diameter is 30mm and the height is 18mm. Screw diameter is 10-mm. It holds our 1.2V, 2.25V and 5.1V light bulbs. Also known as Mini Cleat Lampholder, Mini Cleat Receptacle, and Lamp Base. Orders of 10 packs and more receive bulk pricing discounts.