Item Finned Tubular Heating Element, Overall Length 27 5/12 in, Installation Depth 25 1/3 in, Heater Voltage 240V AC, 5,000 W Watts, Watt Density 72 W/sq in, Sheath Material Steel, Material Steel, Mounting Type 3/4-16 Threads, 2 in On Center, Max. Sheath Temp. 800 Degrees F, Screw Size 8-32, 1 Phase, For Use With Air Dryers, Duct Heater Assemblies, Industrial Ovens, Includes #8-32 Screw and Nut