Quadrios Cord End Terminals Ring terminal 616194 - Quadrios 22C449, The Quadrios 22C449 ring terminal is a partially insulated, solder-free connector with a cross-section capacity of up to 2.5 mm² and an 8.5 mm hole diameter, designed for secure electrical connections. This blue automotive crimp terminal is ideal for use in various car applications where reliable connectivity is essential. Manufactured by Quadrios, these ring terminals are suitable for connecting wires in automotive and industrial settings. Quadrios 22C449 Ring Terminal Set 2.5 mm² Ø8.5mm Hole Blue Insulated