100 Pieces Tire Studs for Boots,Carbide Spikes Snow Screw Studs for Running Shoes,Racing car,Bicycle,Bike,Fat Bikes Wheel Tyres with Installation Tool 7 x 9.9 mm

Specifications:Name:Wheel Tyres StudsMaterial: Tungsten Steel AlloyItem Weight: 150g/ 5.29ozInstallation:1.Drill (using a very small bit) down from the center of chosen knob into the tire.2.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.3.Put duct tape over the screws on the inside of the tire. Sometimes it is best to use two layers of tape.Please pay attation:It's important for choosing right size, you must to know the depth on pattern of tread rubber to your tire. The depth must longer than 7.9mm.Package List:100pcs x Tires Studs1pcs x Installation Seelve

• Easy to Install and remove: they could be disassembled from the tires after winter
• Application:Screw studs for Boots,Winter Shoes,Bicycle.(this item is small size,if your tires are bigger,please choose the others.)
• Material:Pin of studs:tungsten carbide,Body of studs:carbon steel,Surface of studs:Galvanized
• Anti-slip:Worked well on ice driveway.The thread diameter is large, tightly embedded in the tire, with great friction with the ground, and it is not easy to slide out during fast speeds and turns. It performs better than 9mm and 12mm tire studs.
• Suitable size to meet your needs: the tire studs for cars measures about 7 x 9.9 mm/ 0.28 x 0.39 inch (W x L), very suitable for bicycles, boots, motorcycles,cars,etc.