Non-insulated ring terminals are made from copper that has been tin plated to help resist corrosion and it also makes them easy to solder. Rated for temperatures as high as 221°F (105°C) and voltages up to 600 volts. These ring terminal and butt connectors feature a butted seam that can be crimped with any standard low-cost crimping tool. Wire entry is tapered to make wire insertion easier.