Wheel nut, Primary Competitive Advantages : 1.High Quality Control, ISO9001:2000 & TS16949:2002 Standard Certificated 2.New Product & Prompt Delivery 3.Small Order Acceptable 4.OEM Accepted Acorn Tuner Heat Treated Wheel LocksThreadSizeBulk#LengthHexPlated7/1628021.26"0.748"ZincorChrome1/2280412mm*1.25280612mm*1.50280714mm*1.50280912mm*1.75281214mm*2.002850KeyAdapter2800 Description: This brand new set includes 4 pieces acorn tuner style 12mmx1.50 thread chromed wheel locks and 1 dual hex key with 3/4" and 13/16". Lugs are heat treated to achieve extra strength. Please refer to the following drawing for exact lug nut specification and size. Size: Application:Due to different wheel styles and fasteners available, you are ultimately responsible to verify that the part has the right thread size and seating surface (e.g. flat seat, cone seat, shank style, etc). Email us for any information related to how lug nuts fit your wheels. Make sure to include the make, model and year information of your car when you email your questions. Also you can consult your wheel dealer for advice.