1STRONG CONSTRUCTION: Rivets D ring is 360 rotatable, made of excellent zinc alloy, fine workmanship, not easy to wear or rust, hard to fade, long lasting to withstand daily use 2EASY TO USE: Easy to install and remove thanks to a 360 degree rotating D ring; First, you need to punch a hole in the craft with a hole puncher, insert the stud screw into the hole, and then simply tighten the screw on the base 3FOR CRAFT: Metal loop buttons are perfect for you to make your own personalized accessories, you can insert them into a backpack or other storage bag, connect the chain to make your bag better to carry 4WIDE USE: D ring rivets can be used for handbags, pet collars, leather clothes, wallets, leather pants, backpacks, hats and so on, useful and practical 520PCS IN TOTAL: The package contain a total of 20pcs D ring studs, enough for you to replace and use, can meet your various using needs, very convenient 20 x D Ring Rivets(with screw)