Leviton Cleat-Type Lampholder Socket is a surface-mounted lamp holder designed for medium base bulbs with open terminals. It measures 1-7/8 inches in outside diameter and 1-1/2 inches in height, with mounting holes spaced 1-15/16 inches apart diagonally from the terminals for easy installation. This lampholder is rated for 660 watts and 250 volts, making it suitable for a variety of lighting applications. It is UL listed for safety and reliability, and comes in two finishes: white porcelain and brown phenolic plastic. Each package contains one lampholder, conveniently packaged in a bag. Model Number: 002-19062