16-14 Awg, Heat Shrink, Spade Terminal, Stud Size 8, Insulates & Protects Connections From Wire Pullout, Moisture Intrusion & Abrasion, Heat Activated Adhesive Melts & Flows To Create A Seal, Resists Salt Water, Oil, Gasoline & Other Environmental Contaminants, Rated At 600V Maximum, Temperature Rating: 221 Degrees Fahrenheit, 105 Degrees Celsius.