Kyokugen lug nuts are another great product by Project Kics meant to provide fully functional lug-nut locks without any frills. These are short chrome 25mm open-ended 7-sided forged steel lug-nuts. Since they are 7-sided all lugs require a key and work as inconspicuous locks. If you are looking for a great set of affordable lugnuts look no further!
7-sided heptagon lug-nut locks
Made of 28CrVM (chrome vanadium steel) for superior strength
Super thin 20mm outside diameter seat to fit most wheels
Total length of each lug nut is 25mm
Tapered 60 degree botton (aftermarket wheels only)
Comes in a pack of 20 pieces with 1 key adapter for use with 19 or 21mm socket