HPI 3/32" (2.4mm) Carbide Diff Ball
This is a package of 12 Carbide 2.4mm diameter Differential Balls.
These are optional diff balls for use on the HPI Pro, Pro 2, Pro 3,
Sport 2, Mini, Mini Pro, Rally, Mt, Nitro 2, Racer 2, Super Nitro
Mini Nitro, and the HPI Nitro RTR.