Insulated Channel Strip Heater Voltage 120V Overall Length 12 In. Mounting Dimension 11-3/8 In. Element Width 3 In. 360 Watts Watt Density 15W/sq. in. Terminals Tandem at One End Sheath Material Rust Resistant Coated Steel Material Mica 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