Specs & Features SCM435 steel Special 7 Sided Heptagon Lug nut Colors : Gold or Black Closed end type lug nut 42mm or 50mm length M12x1.25 or M12X1.50 length Product Description Project Kics creates some of the best lug nuts and automotive accessories on the market.  Project Kics is one of the most trusted names in JDM and Japanese racing performance. Project Kics is a member of the larger KYO-EI industrial corporation, which is one of the most trusted names in Japan when it comes to automotive accessories. For more than 50 years, KYO-EI has developed a number of unique parts that are heavily used in both street and racing applications and cover virtually every vehicle on the market. Designed and manufactured in Japan, KYO-EI uses only the highest quality materials in order to guarantee product reliability and longevity. Project Kics specializing in the manufacturing of high-quality metal-based products. It mainly focuses on wheel accessories like its famous wheel spacers, lug nuts, and magnetic locking wheel nuts. The company boasts a range of memberships and certifications, including ISO, NAPAC, and JAB, so you can rest assured that all Kics products are fabricated to only the highest standards.