The plating of common nut products is about 10 microns in 1 to 2 coats Even genuine nuts used by automakers are coated with 2 to 3 layers of plating around 15 microns. The thickness of the plating layer greatly affects the quality and durability of the nuts. It is a very important and cost effective part of the nut. AutoAce Unmarked Genuine Nuts are plated 4-layer coat 25 microns. The plating layer is about 2.5 times thicker than other nut products! Four coats are the best of plating. Extreme quality and durability. Compared to genuine products, this product has a high quality appearance and is easy to understand and will not come back after each use. Compatible with genuine aluminum wheels. Typically, it is not a problem with both short nuts TYCR213715 (later short nuts) and long nut TYCR214715 (later long nuts), but it is basically not to jump out or get into the aluminum wheel. Please also refer to the [Precautions] at the bottom of the page. Main compatible models: FR cars / models before 13 years. Mark (Mark X is short nut) / Markblid. Prius 10 series (20/30 series short nut). Alteza. Harlier. Kruger. Isis. Crown 170 prior to 13 years). Vanguard. Rankle 80 series. Prado. Lux Type AE8 6. FJ Cruiser. Alphard (with short nuts). Celsio 30 (final model). Windam. Aristo etc. *Cannot be attached. Steel wheels. *OEM cars with Daihatsu company. / Rash/New BB/Passo/Duet/Light vehicles. *New 86. Rankle 100 Series 200 Series Flat Seat with Washer. *HEX (wrench size*Total height 4 0.3 inches (7 mm). Bottom part Height: 0.5 inches (12 mm); (A) Bottom Part Diameter: 0.7 inches (18.4 mm); (B) Top to Washer Height: 1.4 inches (35 mm); Flat Seat Washer (Ring) Diameter: 1.2 inches (30 mm); Wheel Contact Shape Straight; Compatible Bolt Standards: M12 Pitch 0.06 inches (1.5 mm); Wheel Hole Diameter (A) Height from the nut top to the washer (B). The depth of the nut storage part of the wheel is an estimate for selecting the nut (B) size.