Loose-Leaf Binder Ring 40 pcs Book Rings Black Card Rings 32mm Metal Rings for Curtain Clips Bathroom Hooks S-shaped Hooks

Specification:
Material: Iron.
Shape: Round.
External diameter: 32mm.
Package: 40pcs Black Card Rings .

Feature descriptions:
1.The snap ring is made of tough iron and can withstand frequent use without being easily broken. Their surface is smooth and perfect for preventing rust and fading.
2.The locked ring remains tightly closed at all times. Firmly fix and conne...