Features1,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-sl property for your tires 2,Made of hard metal, these kind of tire stud screws are strong and ble in 3,It has a low ground preure and it is envmentally with minimum impact 4,It is easy to install with certain and can match well with your vehicle tires 5,Please choose appropriate size of new studs in the installation proce in terms of the depth of tire threadSpecificationFeatures: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-sl property for your tires.Made of hard metal, these kind of tire stud screws are strong and ble in .It has a low ground preure and it is envmentally with minimum impact.It is easy to install with certain and can match well with your vehicle tires.Please choose appropriate size of new studs in the installation proce in terms of the depth of tire thread.Specifications:Material: MetalColor: SierItem Size: 1.2 x 0.4cm/0.47'' x 0.16''Diameter: 0.2cm/0.078''Item Quantity: 100 pcs/bagPackage Weight: approx. 74gInstallation: (using a very small bit) down from the center of chosen knob into the tire. a screw up from inside to out. If the angle isn't perpendiar to the tire, it will stiout 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 two layers of tape.Package Included:100 x Tire Stud ScrewsNote:It is easy to install, but profeional installation is highly recommended.