10pcs Zinc Alloy Spring Ring Metal Open Bag Webbing Keychain, Size:Half-inch Black

1. Material: zinc alloy
2. Suitable for: bag chain making, key chain making DIY
3. Wear-resistant and corrosion-resistant, high hardness
4. Not easy to break, long service life
5. Suitable for making various key rings
6. Outer diameter: inch and a half 47.6 mm; 2 inch 60 mm
7. Inner diameter: inch and a half 38 mm; 2 inch 50 mm
8. Thickness of wire: inch and a half 5 mm; 2 inch 5 mm
9. Weight: 15.8 grams for an inch and a half; 21 grams for a 2 inch