This is the OFNA flywheel and 17mm wheel nut wrench. This is a must have for your pit box and can make it much easier to tighten and remove the flywheel nut on your engine.
This is a 1/4" drive 5.5mm nut driver tip from OFNA
Very high quality hex drivers, which are designed longer than other hex drivers, allowing greater ease of use & comfort when working.