This is an E-flite EC2 Male/Female Connector Set. This set includes one male and one female connector, as well as two male gold interior bullet terminals, and two female gold interior bullet terminals.
E-flite's high-quality EC2 connectors should be a staple for every workbench. EC2 (E-flite Connector 2mm) connectors, leads with connectors, and accessories are perfect for electric power applications and work with any battery, charger, ESC, Power Meter, etc. They are ideal for small electric airplanes that use our Park 180, Park 250, and Park 300 outrunner motors and 5- to 10-Amp brushless speed controls.