Non-insulated ring terminals are made from 99.9% pure 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 terminals feature a butted seam that can be crimped with any standard low-cost crimping tool. Wire entry is tapered to make wire insertion easier. Available in ring sizes from #6 all the way up to 1/2 inch. Manufactured in the U.S.A.