Lampholder, Bulb Base Type Medium Screw (E26), Color White, Compatible with Grainger Part Number Not Applicable, Compatible with Manufacturer Model Number Not Applicable, Features Keyless Lamp Holder, One-Piece Construction, Single Circuit, Length 2 1/8 in, Product Type Lamp Holder, Voltage 250V AC, Watts 660 W, Connection Wire Leads, Diameter 1.5 in, Finish Porcelain, Mounting Screw, Standards CSA Certified, NOM, UL, Cord Length (Ft.) 0.75 ft, Compatible with Brand Universal