Which tool to perfectly center a wheel?

[Manche]

or any kind of object. I always end up with a wobly axle or motor

[SgtMustang]

Try SmartSnap, it will create a grid on an object so you can lock any tool to any point on the object.

[Manche]

shoould I download or remove somthing to use it?

[LuaMilkshake2]

I haven't used this particular download, but it's [url=http://www.garrysmod.org/downloads/?a=view&id=74031]here[/url].

[Manche]

oh! I think I have a tool that puts a grrid on every object I target on do I have to change settings?