20pc Chrome Silver Bulge ET Extended Thread Lug Nuts, Metric 12x1.5 Thread, 1.75" Length, Cone Conical Taper Seat Shank Closed End - for many Chevy Buick Chrysler Dodge GMC Pontiac 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: 1.75 inches | Seat Type: Conical ET Style | Thread Size & Pitch: 12x1.5 | 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 38mm (about 1.5"), 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 Conical ET Style shaped nuts.