Features:
Durable steel gears to withstand extreme RC action
Precision manufactured gear teeth for accurate gear mesh and consistent performance in all conditions 
Strong steel cross shafts for long-lasting durability and efficient running at high speeds
To be used in 29mm diff cases
Can be used in limited slip and open diff builds
Includes:
(4) 10T Satellite Gears
(2) 20T Planetary Gears
(2) Metal Cross Shafts