ITEM NAME:100Pcs Tire Stud Screw,12mm Anti-Slip Snow Tire Studs Wheel Tyre Tire Spike I8U7 100Pcs Tire Stud Screw,12mm Anti-Slip Snow Tire Studs Wheel Tyre Tire Spike I8U7 Widely Suit This kind of screws are suitable for most of tires and add ultimate off-road capacity to your ordinary ATV, UTV or 4X4 vehicles. It brings a good anti-slip property for your tires Quality Material Hard alloy thread antiskid nail, these kind of tire stud screws are strong and durable in use Environmentally It has a low ground pressure and it is environmentally with minimum impact Easy Installation It is easy to install with certain drill and can match well with your vehicle tires It brings a good anti-slip property for your tires. Hard alloy thread antiskid nail, these kind of tire stud screws are strong and durable in use. Item Quantity: 100 pcs/bag Installation: Drill (using a very small bit) down from the center of chosen knob into the tire. Drill a screw up from inside to out. If the angle isn't perpendicular to the tire, it will stick out one side or the other. Do one hole and screw at a time. Put duct tape over the screws on the inside of the tire. Sometimes it is best to use two layers of tape. colour: Silver Material: metal size: 12*4*4mm Diameter: 0.2cm/0.078 inch Package Contents: 100 x Tire Stud Screws Note: It is easy to install, but professional installation is highly recommended. Please choose appropriate size of new studs in the installation process in.Quality Material Hard alloy thread antiskid nail, these kind of tire stud screws are strong and durable in use. It brings a good anti-slip property for your tires. Hard alloy thread antiskid nail, these kind of tire stud screws are strong and durable in use.