Mica Insulated Strip Heater, Heater Voltage 240V, Overall Length 24 in, Mounting Dimension 23 3/8 in, Element Width 7/8 in, 600 W Watts, Watt Density 8 W/sq in, Terminals Tandem at One End, Sheath Material Steel, 1 Phase, Max. Sheath Temp. 900 Degrees F, Slotted Hole Length 9/32 in, Slotted Hole Width 3/8 in, Screw Size 10-32, Standards CSA Certified, UL Recognized