Sold as each. 250W-250W. Incandescent lamp holder. Metal shell. Medium base. Removable turn knob. Electrolier. Black knob. Two-circuit. Lo-med-hi-off. Polished gilt cap and shell. UL, CSA and NOM approved. Manufacturer number: C20-07090-0PG. Country of origin: Mexico. Distributed by Leviton Mfg. Co., Inc.