1. Metal Zippers are premium fastening devices made of metal teeth (brass, zinc alloy), known for their robust structure and classic aesthetic.
2. High tensile strength (resists breakage), smooth sliding (even after long-term use), corrosion-resistant (via nickel/chrome plating), and retro/elegant appearance.
3. Leather jackets, denim jeans, luxury luggage, workwear, and vintage-style apparel.