metal 2 ring mechanism, metal 2 ring binder clip
2-ring mechanism: shape of ring: O/D/Q
Length available: various from 87mm to 298mm
Width available: various from 15mm to 36mm
Inner diameter: various from 15mm to 78mm
Color: nickel/silver
Pull-open or with trigger.
Features: 1) durable and environmental-friendly
2) can be easily attached and detached
3) rust resistant
4) high quality with competitive low price
5) can be customized