These Black-colored Chicago screws are essential hardware for any leather crafting or knife sheath crafting project. They are durable and strong, making them perfect for securing layers of leather together. Their sleek and polished appearance adds a touch of sophistication to any finished product. Whether you're making a custom sheath for a knife or creating a leather accessory, these Chicago screws will ensure a professional and secure finish. With their ease of use and versatility, these screws are a must-have for any crafting enthusiast.