Q shape metal ring clip, 4 Q ring file clip, Q ring binder item: 4 Q ring clip material: metal color: nickel length: 299mm width: 36mm inner diameter: 65mm outer diameter: 42mm hieght: 82mm binding thickness: 65mm packing: 90pcs/ctn MOQ: 8000pcs Ring binder 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. High quality, competitively low price, fast delivery. Material: strip steel 1. Surface treatment: nickel electroplating, nickel free (through the 10 mental detection and can provide the SGS reports) 2. Base width available: 15mm, 17mm,20mm, 26mm, 36mm, 45mm 3. Overall length available: 89mm, 123mm, 133mm, 152mm, 158mm, 171mm, 195mm, 210mm, 241, 264mm, 280mm, 285mm, 292mm, 384mm 4. Inside diameter: 15mm, 16mm, 20mm, 25mm, 30mm, 35mm, 40mm, 45mm, 50mm, 65mm,78mm 5. Shape of ring: Q, R, D 6. Type available: patent products and common products 7. OEM service provided.