Made with high-quality metal that resists bending, rust, and wear. These spikes stay intact even with frequent use (like on dog collars or daily-worn jackets), ensuring long-lasting style No fancy tools required! The 4-prong design lets you secure the spikes to leather, fabric, or vinyl in seconds-perfect for crafters of all skill levels, saving time on DIY projects Works seamlessly with leather, fabric, bags, dog collars, and clothing decoration. Great for DIY costumes, custom accessories, or upgrading old items-one set fits all your needs 10mm square pyramid shape delivers classic punk flair-adds instant attitude to leather jackets, bags, or clothing, making your pieces stand out at concerts, festivals, or everyday wear Perfect 10mm Size: The ideal compact size balances visibility and subtlety-big enough to make a statement, small enough to avoid feeling bulky, matching most craft and styling projects, Weight: 0.5070632026 pounds, Manufacturer: Prterver