Feature: Type: DIY Loose Leaf Rings Material: Metal Size: 3.0x25.4x31.4mm Color: Black Function: Use For Clip Ring Gate Key, Installing Shower Curtain or Loose Leaf. Use: These Binder rings open to hold punched material. Used for loose-leaf book, memo filing, key rings, scrapbooking, sample holder or other loose-leaf items. Advantage: Made of high quality metal can withstand heavy use, multi-layer plating color, beautiful,rings open and close easily and lock for extra security. Easy to Operate: Pull to open and squeeze to close, ideal for fastening any size document stack and keys and swatches. Package:2000pcs Loose Leaf Rings Note: The book ring is suppressed artificially, the 1 inch rings might be tight, please use clip forceps for help.