Swaged Cartridge Heater, Heater Voltage 120V, Lead Length 10 in, Diameter 1/2 in, Length 8 in, 500 W Watts, Watt Density 42 W/sq in, Max. Temp. Capability 1,400 Degrees F, Sheath Material 321 Stainless Steel, Precision Sheath Dia. Tolerance +/-0.002 in