QS8 Anti Spark connections, Choose your configuration.

QS8-S heavy duty gold plated connectors with built-in antispark resistors are great for high power electric RC models.  
Anti spark resistor: 5.0ohms
Continuous Current: 180A
Max Peak Current: 800A
MAX Wire: 6AWG
Diameter: 8.0mm
Guaranteed Long Battery Life
Metal Material: Gold Plated Brass
Plastic Material: Nylon with fiber