20pc Black Bulge Lug Nuts, Metric 12x1.5 Thread, 1.4" Length, Conical Cone Taper Acorn Seat Closed End - Installs with 19mm or 3/4" Socket - 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: 1.40 inches | Seat Type: Cone Seat | Thread Size & Pitch: 12x1.5 | Color: Black | 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. [NUT THREADS & SEAT] (1) Verify the thread size of the nuts on your vehicle. All vehicles do not come with the same size thread nut. (2) There are a variety of "Lug Seats", please make sure your wheels take Cone Seat shaped nuts. See Diagram Image for Help. [WHEEL STUD LENGTH] Before Purchasing, 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.