Manual/Spec Sheet Specifications: Maximum Electrical Rating: 600 Volts Maximum Temperature: +105°C Terminal Material: Copper Plating: Electro Tin Plated Insulation Material: Vinyl (PVC) Wire Range: 8Awg Stud Size: 3/8" Similar to: Philmore 65-1589 Additional Model #'s 264-76-IRT8-3/8 264-76IRT83/8 76-IRT8-3/8 76IRT83/8 76IRT838 UPC: 768249188865