Need to replace or install a simple pull-chain light socket? This Leviton lampholder is a reliable choice. It has a medium base (standard for most incandescent bulbs), a brass aluminum shell, and a pull chain for on/off control. It's a single-circuit socket (no dimming) and includes a 1/8\ IPS tapped bushing with a set screw for secure mounting on a pipe or rod. Perfect for workshops, basements, closets, or any fixture where you want a basic switch. Easy to wire up if you're handy, and built to last.