Conical Seat Lug Bolts. Ball Seat Lug Bolts. 4 Lug Wheel Adapters. 5 Lug Wheel Adapters. 6 Lug Wheel Adapters. 8 Lug Wheel Adapters. 5 Lug HubCentric Adapter. 6 Lug HubCentric Adapter. 20 mm Hub Centric Spacer/5×112 mm 66.56 mm/M14x1.5 Bolts /For Stock Alloy Wheels. Set of 4 Pcs Spacer + 20 Lug Bolt. 6061 T6 Aluminum Spacer/ 10.9 Grade SCM Heat Treated Steel Lug Bolt. Spacer Color and Finish. Lug Bolt Color Finish. 17 mm Hex Socket. 20 Pcs Lug Bolt. 4 Pcs 20 mm Hub-Centric Spacer. 20 Pcs Extended Lug Bolt. The actual fitment varies based on the requirements of wheels. Lug nuts/bolts seat has to strictly follow the wheel condition. If you are not sure, please do not hesitate to ask customer service. We strike to provide high quality auto parts. Your satisfaction is our first priority. Should you have any questions, please do not hesitate to contact our customer service for help. In no event shall our company be liable for any direct, indirect, punitive, incidental, special or consequential damages whatsoever arising out of or connected with the use or misuse of any of its products. Following chart is designated for Thread Pitch check only. Due to aging, your studs may have been changed. How do I know If this product will fit my car? Use compatibility chart to check Make/Model/Year 2. Check wheel hub is factory default 3. Check The Hub Ring Height is 3 mm Less than Spacer Thickness 4. Check Existing Stock Lug Bolt is 24-28 mm Shank Length 5. Check wheel is Same Bolt Pattern as Hub(Stock Alloy Wheel) 6. Check WHeel is Stock Alloy Wheel, Not AfterMarket Wheel 7. Check wheel lug hole flange requirement is 0.9 You can also use existing lug Bolts thread/shape as reference. Why is the product doesn’t have enough grab to the wheels? Your bolts are too short to have enough thread into the hub. You need longer lug bolts 2. You need to use thinner spacer to match the bolt length. Why is the product too thin that won’t hold my wheel? Your wheel requires large flange lug bolts to hold, for ideal flange size, please refer to your existing lug bolts Solution: 1. You need large flange lug bolts 2. You need to use lug bolts flange adapter to make it fit. Why does the product not fit my wheel cap? Most of the wheel caps have clipers that require lug bolts to hold, our lug bolts may not have the same shape to match the clippers Solution: 1. You need to remove your wheel caps. Why does the product not fit my hub cap? Most of the hub caps are much thicker than the hub without hub cap, it would require more thickness of spacer to fit Solution: 1. You need to remove your hub-caps. Why the wheel were damaged/damaging my car? The thickness of the spacer were exceed the maximum thickness of the fender requirement Solution: 1. You need to remove your spcacers and use original Lug Bolts. Why is the thread not matching my wheel hub, but my car is listed in the compatibility chart? Wheel hubs are subjected to be replaced due to aging or repair, after that, you may have different thread than factory default Solution: 1. Check the thread from your existing lug bolts 2. Any auto-shop would have a tool to measure thread, or you can send us a pic of your existing lug bolt to confirm. Seat type of mating surface is based on the wheels, different wheels have different mating surface requirements. Some stock wheels may require special mating surface assembling. Check the matting surface from your existing lug bolts and that from your wheels 2. Alloy stock wheels, steel stock wheels, and aftermarket wheels have different mating specification. Solution: Contact customer service before placing expediate orders. Not receiving my package but tracking says delivered. How do I change address, cancel, or modify my order after I replaced my order? How do I handle wrong item sent, missing piecies, defective item, and arrival damaged? We do appologized for whatever possible mistake and issues that interrupt your valuable time and schedule. Solution: Contact customer service via on-site messages, we will provide with options you choose. What is material made, construction, and durability? The Lug Bolts were made of SCM steel with one-piece construction without sleeve and cap. The Spacers were made of 6061-T6 Aluminum, capable to absorb the driving force. What is tool size for installation? The sokcet tool for installation is 17 mm hex wrench. What is torque power? The recommended torque power is 100 ft/lb, please do not over-torque, nor under-torque. What is quality of the material, and will the product get rusted? The Spacers were made from 6061-T6 Aluminum; The Lug Bolts were made from SCM Steel that passed 72-hour salt sray test. However, steel is subjected to rust in hash conditions such as heavy deicing salt, acid rain, or chemical interferences Solution: 1. Use rubber sleeved socket to prevent cracking or denting surface protection layer 2. Apply plastic dip sray help to isolate metal from outside environment interferences. Please give us five-star feedback, if you accept our products and services, thank you very much!