【PRODUCT SPECIFICATIONS】This wheel stud thread size: M12 x 1.5; Overall Length: 1.94 inches (49.3 mm); Thread Length: 1.26 inches (32 mm); Spline Length: 0.49 inches (12.5mm); Spline Diameter: 0.55 inches (14.17mm); Set of 12. Which must match your vehicle's requirements to ensure proper installation and functionality 【HIGH STRENGTH MATERIAL】These wheel hub studs are made of premium high-strength Grade 10.9 steel, making them sturdy, wear-resistant, deformation-resistant, impact-resistant, providing superior tensile strength and long-lasting performance under extreme driving conditions 【PRECISE THREAD DESIGN】The precisely machined threads make installation smoother and more secure, preventing cross-threading and loosening during driving. The 19mm head diameter ensures secure tightening with standard tools 【ELECTROPLATING COATING】LUJIANI Wheel Lug Studs use advanced electroplating technology to enhance corrosion resistance and anti-oxidation performance, which can keep the studs clean and durable even after years of use in wet, muddy or salty environments 【WIDE APPLICATION】You can easily use our car stud kit to securely fix the wheel to the car axle, both front and rear wheels can be used. Ideal for car enthusiasts and mechanics seeking stable and safe wheel installation ASIN B0FHGFR55W Brand LUJIANI Color Chrome Silver Model ZS-S002 Set Name Pack of 12 Head Type Hex Size Name Pack of 12 Unit Count 12 Count Part Number B0FHGFR55W Thread Size M12-1.5 Thread Type Metric Finish Types Glossy Grade Rating Grade 10.9 Manufacturer LUJIANI Thread Class 3B Thread Style Right Hand Fastener Size M12-1.5 Fastener Type Stud Bolt Item Diameter 12 millimeters Item Hardness Grade 10.9 Material Type Alloy Steel Exterior Finish Chrome Number Of Items 12 Thread Coverage Partially Threaded Number of Pieces 12 Outside Diameter 0.75 inches Screw Head Style Hex Manufacturer Grade Grade 10.9 Compatible Groove Diameter 0.55 inches