CR2099-000 Insulated Twist Bullet Connector, 18AWG to 8AWG, 25.5mm . CapGrip connectors or cap splices with industry standard colour coding for wire sizes 22 AWG to 6 AWG. These twist-on splices have square-wire spring threads which provide a positive grip for a secure connection. Made from UL 94V-2 flame retardant thermoplastic with a maximum operating temperature of 105°C.