I purchased these from a home center and barely used them, storing them afterward. I bought a bag of 4 for 148 yen. The total purchase price at the time was 1332 yen. These S-hooks are made of polycarbonate resin, which is excellent in strength and weather resistance. They can be used in places exposed to sunlight or high humidity. They can be used as hooks for hanging products at events and markets. Color: Clear Size: Length: 6cm Wire diameter: 4mm Inner hook diameter: Small: 12mm, Large: 15mm Precautions: Do not hang valuables, fragile items such as glass products, clocks, and picture frames, or high-value items. Material: Polycarbonate Country of Origin: China Working Load: 5kgf Not sold individually. Please ask any questions before purchasing.