3.5mm FEMALE Bullet Power Connectors (for MOTOR) [Acuvance] OP-15002
Set of 3 Power Connector Bullets. These feature a 3.5mm size spot on the end for easy solder.
This allows you to hot swap motors on the spot for tuning without the need for a soldering iron(you can do all your prep ahead of time)
Make sure to grab a set of male connectors to complete your setup.