Tubular Lug Rings are a seamless one-piece construction designed for heavy duty use. Terminals will not split apart when crimped. Insert stripped cable into end of Terminal. Terminals are flared for easy wire insertion & closed-end to facilitate the use of solder pellets. Use Lug Crimping tool or solder the connections. Can be used with pre-measured Solder Pellets to create a very strong and durable connection.