This is a pair of female EC3 style connectors from ProTek R/C. The female connector is normally connected to the battery or other power source.
This product was added to our catalog on October 9, 2008
Saturday, Feb 12 2022 (about a year ago)
ProTek RC EC3 Style Battery Connector (2 Female)
Most worst garbage i ever had. E-flite ones are so much better. I stabbed my finger through with an 1.5mm hex trying to push bullet into the connector itself. Bullet doesn't fit at all it just won't mate. Save your money avoid protek junk