20pc Black Spline Drive Lug Nuts - 12x1.25 Thread Size - 1.4" Length - Open End - Cone Acorn Taper Seat - Includes 1 Socket Key Tool - For Nissan Infiniti Subaru Scion FRS FR-S + More [APPLICATIONS] Infiniti, Nissan, & Subaru vehicles with 12x1.25 threaded studs. Will NOT work for Acura, Chevy, Dodge, Ford, Honda, Hyundai, Jeep, Kia, Lexus, Mitsubishi, Pontiac, Toyota. [SPECIFICATIONS] Total Length: 0.85 inches | Seat Type: Cone Seat | Thread Size & Pitch: 12x1.25 | Color: Black | See Diagram Image for Details. [MANUFACTURING] 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. [NUT SIZE & SEAT TYPE] 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. (See Diagram Image for details) [SOCKET KEY] These lug nuts require the included Socket Key to install and remove, thereby adding a layer of security against wheel thieves. The socket key requires 25mm clearance, meaning that your vehicle's wheel hole needs to be at least 25mm (1") in diameter. Double check this before purchasing to ensure a smooth installation.