Serves its purpose very well, got it for a filler plug in a sealed gearbox on a Mazda CX-9 (Tip: Remove the air box and attach the air tube/cap to to get better access to the filler screw holes); Transmission fluid had to be added, and of course the '012 has that idiotic transmission with no filler and dipstick; but this tool saved the day. A set of 3/8" Torx bits I've had for years didn't have T55 bits for some reason (get it). I don't understand why I need something better. Very reasonable…