Thick curves of crystal and a sturdy iron center distinguish our Marston Lamp Bases. * Small Table Lamp: 5" diameter, 24.5" high * Large Table Lamp: 6" diameter, 28" high * Crafted of K9 crystal and iron. * Pair with our small (Small Table Lamp) or medium (Large Table Lamp) Mix & Match® shades (sold separately). * Dimmer switch on socket; plug-in. * UL-listed.