Very high quality aluminium part. Nice and smooth steering action that is a huge improvement over the stock plastic parts. This upgrade comes with plastic bushings. It is wise to replace them with similar sized ball bearings for even smoother steering response. I use this in my DF01 and my TA02, it fits perfectly in both with no issues. 5/5 stars, highly reccomend.
I put these on my 20yr old ta02 and it tightened the steering considerably, but it was pretty flogged. I can't remember what the steering was like new, but major improvement now. As mentioned it only comes with plastic bushes, but I had some 850 bearings to use.
I also bought this part along with my other parts. I did manage to install it on the TA02. Unfortunately these don't come with bearings which would complete the set nicely. I just don't feel any difference from the original plastic parts. They still seem a bit loose no matter what I do. So will this improve anything, NO. They just look nicer, but don't hold your breath. So do I recommend it, not for the price since it really doesn't help anything. But they just look nice if that's what you want.
A direct replacement also for the oldskool DF-01 chassis. Much tighter tolerance provides sharper steering respond than the stock plastic ones. The rigid aluminum is also much tougher, which is a definite plus, considering the DF-01 is an off-road chassis. Make sure all the provided screws and metal bushings are complete, as you can't use the stock tamiya stepped screw with it.