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 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 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 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 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 10mm 4-Prong Square Spikes-your go-to for adding edgy punk flair to any piece! Crafted from premium silver metal, these pyramid studs blend durability with a sleek, eye-catching design, perfect for upgrading leather jackets, bags, dog collars, or clothing. The 4-prong structure makes installation a breeze (no complex tools needed!), and the sturdy metal ensures they stay in place through daily use. Whether you're a seasoned or a beginner, these square spikes turn ordinary items into , pieces that stand out. Ideal for punk-inspired looks, costume designs, or custom gifts-bring your vision to life effortlessly! Color: Silver Material: Metal Specification: 500 pieces Package Contents: 1*set studs for clothing Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.