One metal sheathed tubular heating element in a housing assembly available in lengths between 13 5/8" and 106" Width is 3 11/16" DU-RAD (Single element double hairpin) 1.6 - 7.83 kW, 120, 208, 240, 275 and 480 Volt, 3/8" Dia. INCOLOY ® Sheath Elements (type UTU), 1500°F Max. Sheath Temp.