Widener is fit on 5mm center hole wheels.
If your wheel center hole is 4mm hole, please make 5mm hole.
Main features
Add 11mm on each side of your truck
CNC machined aircraft aluminum
Red in color
Exceptional quality
Easy Installation
Fits Traxxas 1/16 scale mini Revo, Slash
and Summit
What's included
Wheel widener (Red in color) x 4
M4 Barrel nuts (Length 14mm) x 4
M5 washer x 4
M5 spring washer x 4