Feature: 1. SUFFICENT QUANTITY: This package include 10 pieces of rings binder clips, offering enough quantity to create multiple notebooks or albums, saving you the hassle of frequent replacements 2. QUALITY MATERIAL: Made of long lasting multi layer stainless steel, these binder rings are waterproof, rust proof, and resistant to breakage, ensuring reliable and long lasting use 3. FLEXIBLE DESIGN: These loose leaf binder rings can be easily split into 2 halves and securely connected with a metal rotating rivet, ensuring a safe and tight lock for your books 4. WIDE RANGE OF APPLICATIONS: These small binder rings are suitable for projects such as creating travel diaries, photo albums, scrapbooks, loose leaf notebooks, and graduation alumni books 5. PERFECT SIZE: These metal notebook rings are suitable for most book or album sizes, 6 hole, 20 hole, 26 hole, 30 hole inner core can be applied Specification: Item Type: 3 Ring Metal Loose Leaf Binders Material: Stainless steel Pitch: Approx. 19mm / 0.75in Compatibility: For 6 hole, 20 hole, 26 hole, 30 hole loose leaf inner cores Recommended Paper Clamping Capacity= The thickest paper clamping minus about 30 pieces. Package List: 10 x Metal Binder Rings Note: Please allow tiny size error due to manual measurement. Thanks for your understanding.