Features: Sturdy Build: Crafted from hard metal, these tire screws are tough, resistant to aging and wear, supporting long-term use. They feature low ground pressure and a design gentle on surroundings, with minimal effect on the environment. Anti-Slip Design: Serrated thread helps stop pull-out. These snow tire screws improve anti-slip results for your tires. During installation, pick the right size based on the tire’s pattern depth. Easy To Install & Remove: These tire screws can be easily fitted and taken off with a specific drill, working well with your vehicle tires. They can also be disassembled as needed—when not in use, they can be lightly removed and stored for later. Wide Use: These snow tire screws fit most tires, adding off-road skill to regular cars, trucks, motorcycles and more. They improve anti-slip results for your tires. choose: Choose appropriate size of new studs in the installation process in terms of the depth of tire thread. Specifications: Pin of the screws: Hard alloy (composition: 80% Wc+ 10% Co, Hardness: >90 HRA or >1300HV; Strength: 1660 N/MM2) Body of the screws: Carbon steel Outer layer of the screws: Galvanizing Package Includes: Gold screw type tire studs×100 note: Important Note:Choosing the right size of screws matters. You must know the depth of the rubber patterns on your tire.