Project Kics Kyokugen - Open Ended Lug Nuts - 12x1.25mm - Chrome 30885C
These Heptagonal, seven sided lug nuts weigh 50% less than stock lug nuts. Compare only 0.9 oz. to your standard 2.1 oz. each! Each 20 piece set comes with a Kyokugen socket key which is required to remove each lugnut.