This is a Heavy Duty Female JR/Hitec/Airtronics Z Servo Lead w/Wire.

FEATURES: Pro Series heavy-duty radio accessories.
          New, custom-designed connector offers extra flight insurance with a
            secure "click-lock" feature that guards against connectors
            vibrating loose.
          Gold-plated terminals improve conductivity and prevent oxidation for
            longer lifespan.
          Heavier, 20-gauge wire handles higher current loads with ease.
          Female lead comes with wire and pins pre-installed into it.
          Pre-tinned exposed wire tips are ready for soldering.

INCLUDES: One Heavy Duty Female JR/Hitec/Airtronics Z Servo Lead
            with 12" Pre-attached Wire

SPECS:    Wire Gauge: 20AWG
          Wire Color Codes-
            JR-                 Hitec-              Airtronics Z-
            Brown:  Negative    Black:  Negative    Black: Negative
            Red:    Positive    Red:    Positive    Red:   Positive
            Orange: Signal      Yellow: Signal      Blue:  Signal
                                                                    JAL 12/5/00
                                                                          ir/jl