Perfect for handcrafting, clothing repairs, jewelry design, and creative art project, the pin badges back with holes which is great tool in any crafting kits The set includes 50 pins in four 3 size option, providing flexibility and convenience for various craft applications With secure back clasps and back fasteners, the brooch pins ensures your creation stay firmly place, perfectly for both starter and experienced professional Use selected alloy metal, the silver brooch pins durability and resistance to rusty, ensuring longlasting use for all your creative project Great for hobbyists, fashion designers, student, and teachers, the brooch pins catered to a wide ranges of users searching to enhancing their craft or repair work