This is a Redcat brand RCR-Bind-Plug. Redcat indicates this part fits the following: AVALANCHE XTR, CALDERA 10E, CALDERA 3.0, CALDERA SC 10E, CALDERA XB 10E, EARTHQUAKE 3.5, EARTHQUAKE 8E, HURRICANE XTR, LIGHTNING EP DRIFT, LIGHTNING EPX PRO, LIGHTNING STK, LIGHTNING STR, MONSOON XTR, RAMPAGE CHIMERA SR, RAMPAGE DUNERUNNER, RAMPAGE MT, RAMPAGEXB, RAMPAGEXBE, RAMPAGEXT, SANDSTORM, SHOCKWAVE, THUNDER EPX DRIFT, TORNADO EPX/EPX PRO, TORNADO S30, VOLCANO EPX/EPX PRO, VOLCANO S30, VORTEX SS