Maybe 1mm thicker than my old Nappa wheelhead kit but other than that it's great, all the wheelheads I've had I usually use without the plastic bushings and it makes any set of wheelheads small are enough to fit even the tightest eyelets on aftermarket wheels. Scratching the wheels is YOUR fault, not the fault of the sockets. So plastic bushings really aren't needed unless you're just sloppy and in a hurry to make nice wheels. It's said to be a hack if you're scratching customer wheels, give…