20 pieces of zinc alloy spring ring metal keychains designed for bag chain and keychain making. They are wear-resistant and corrosion-resistant for everyday use.
Material: Zinc alloy
Compatibility: Bag chain making, key chain making DIY
Wear-resistant and corrosion-resistant
High hardness
Not easy to break
Long service life
Suitable for making various key rings
Outer diameter options: 3 points 17.5 mm, 4 points 20 mm, 5 points 24 mm, 6 points 27.6 mm, 1 inch 34 mm, inch 2 40 mm
Inner diameter options: 3 points 11 mm, 4 points 12.6 mm, 5 points 16 mm, 6 points 19 mm, 1 inch 24.5 mm, inch 2 30 mm
Line thickness options: 3 points 3.5 mm, 4 points 3.5 mm, 5 points 4 mm, 6 points 4.5 mm, 1 inch 4.5 mm, inch 2 4.8 mm
