This is a CVD Coupling Rebuild Kit used for various Monster Trucks.
Works for the TMaxx/Emaxx, Revo, Tamiya TNX, Savage 21 & 25, Losi LST
FEATURES: Black oxide rust preventive finish on the coupling
INCLUDES: (2) Cross pin 2.5 x 16mm
(2) Coupling 6mm diameter x 9mm length
(2) Set screw 4.0 x 3mm