(1) Hard Steel in black finished gears give the differential of a smooth run.
(2) They are suitable for Traxxas XO-01, Summit, Slash 4x4, Telluride, Revo

Suitable Model:
1/10 4WD 4-TEC 3.0 CORVETTE STINGARY-93054-4
SLASH 4X4
XO-01
E REVO 56087-1
REVO
TELLURIDE 4X4
1/10 SUMMIT
SLASH 4X4 LOW-CG 68086-21