Features: Discover the durability and rustproof of our high quality Nails, designed to provide robust support. Crafted from steel, these nails spikes boast a smooth, burr free surfaces, ensuring ease of use and long term deformation resistance. These spikes ensure durability and resistance even under heavy weight. Just put them on the ground to avoid other driver parking their vehicle in your private parking space. 20pcs/set, meet your need, long service life and reusable. Specifications: Material: Metal Size: 25mm(0.98in)/30mm(1.18in)/45mm(1.77in) Package Includes: 20Pcs Car Tire Puncture Nail Tire Spikes note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!