This is the E-Flite 3" Y-Harness, Lightweight
A lightweight line of servo extension leads and a Y-harness for use with lightweight aircraft, where minimizing flying weight is important for ultimate flight performance.
Lighter gauge wire than typical extension leads
Perfect for smaller models up to park flyers
Multiple lengths available in the series: 3-, 6-, 9-, 12- and 18-inch extensions and a 3-inch Y-harness
Compatible with all common receiver and servo brands