Mica Insulated Strip Heater Heater Voltage 120V AC Overall Length 24 in Mounting Dimension 23 3/8 in Element Width 3 in 600 W Watts Watt Density 14W/sq in Terminals Tandem at One End Sheath Material Rust Resistant Coated 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 UL Recognized