20pc Silver Chrome Bullet Style Lug Nuts - 1/2"-20 Thread Size - 1.8" Length - Cone Conical Acorn Seat - Fits many Ford Dodge Lincoln Mazda Mercury Authentic Precision European Motorwerks Lug Nuts (Pack of 20). Manufactured with cold forged steel. Additional Heat Treating ensures dependable strength & durability. Precisely machined threads ensure a perfect fit on your vehicle's wheel studs. Special coating provides exceptional corrosion resistance and appearance. [SPECIFICATIONS] Total Length: 1.80 inches | Seat Type: Cone Seat | Thread Size & Pitch: 1/2"x20 RH | Color: Silver / Chrome | See Diagram Image for Details. [CHECK NUT SIZE] Ensure these lug nuts are the proper size. Compare the length/width of these lug nuts (diagram can be found in the images section) to the nuts you are currently using. [WHEEL STUD LENGTH] It is important to measure your vehicle's wheel stud length. If your wheel studs stick out past your wheel more than 30mm (about 1.25"), these will not be compatible. [NUT SIZE & SEAT] (1) Verify the thread size of the nuts on your vehicle. Various years/models come with different thickness nuts and thread pitches. (2) There are a variety of "Lug Seats", please make sure your wheels take Cone Seat shaped nuts.