Description:1. Material: The spike rivets are made of carbon steel material, durable, electroplating surface treatment, rust prevention, oxidation resistance, bright luster, and durability.2. Advantages: Square and pyramid design, rivet outside corner smooth, beautiful and not easy to fall off, lightweight, small volume, can be used for a long time.3. Easy installation: Punch a hole in the items requiring square rivet with a punch hole tool, then place the rivet foot up on the base, push it into the hole, and place the rivet cap, the mounting punch is vertically aligned with the rivet cap and can be fixed by beating the mounting punch with a hammer. Better if you have professional leather binding tools.4. Application: Decorative rivets are usually used to repair and DIY decorate your items such as belts, bags, purses, handbags, totes, etc.