ARRMA Ball Bearing 6x12x4mm (2) 4x4

This is a pair of Arrma 6x12x4mm Ball Bearings.

FEATURES:
Super-smooth ball-races for fast and constant operation
Utilized in the assembly of Arrma vehicles, may likewise be utilized in any
    application needing this size of ball bearing

INCLUDES:
Two 6x12x4mm Ball Bearings

SPECS:
Inner Diameter: 6mm
Outer Diameter: 12mm
Density: 4mm