This is a package of 5.8x6mm Balls by HPI.|
These are used on the HPI MT, Nitro Racer, Super Nitro Rally,
Nitro Rush, Nitro MT, Nitro MT Racer, and RTR Nitro MT.
Black steel construction.
Assembly on vehicle.
Length: 6.0mm (.238")
Diameter: 5.8mm (.230")