9 hole binding ring/9 ring binding TR253-9-30/20 material: iron color: nickel length: 262mm width: 20mm inner diameter: 30mm outer diameter: 34.5mm height: 34.5mm rivet distance: 196.85mm packing: 250pcs/ctn Item: 9 ring clip Material: metal/steel Color: nickel/golden/black Length: 260mm Inner diameter: 16/19/20/23/25/30/38mm Width:20mm Trigger open or pull open Features: 1. Easily attached and detached, harm-free from paper files 2. Simple design, elegance looking. 3. Stable structure. Not easy to scratch or dent. 4. Durable, rust-resistant. 5. High quality, competitively low price, fast delivery. 6. Small orders accepted. 7. OEM service available. 8. Most of our products can be customized according to different needs!