Legrand-Pass & Seymour 19980PGCC10 Medium Pull Chain One Circuit 660-Watt/250-volt 660W, 250V, Incandescent metal shell Lamp holder, Medium base, pull chain, single Circuit 1/8Ips bushing with set Screw, Box Adds Extra shine to your product Manufactured in China 660W/250 volt Metal Shell Lamp holder Pull Chain For Medium Base single circuit application IPS 1/8" tapped bushing with set screw