1、[Rotatable D Ring Design] The stud rivet features a rotatable D ring design, allowing for flexible installation of straps or chains on your bag. 2、[Premium Materials] Made from zinc alloy and iron, the D ring stud screw is sturdy and strong, resistant to breakage and ensuring long lasting performance. 3、[Easy Installation] Simple to install and remove, this ball head button can be easily secured by punching a hole in the desired item, inserting the screw stud, and tightening the screw on the base. 4、[Versatile Application] Suitable for use on handbags, pet collars, leather jackets, wallets, pants, backpacks, hats, and more, the D ring rivet can be used for various items. 5、[Convenient Accessory Attachment] Insert these rivets into backpacks or other storage bags, connect chains, and enhance the carrying functionality of your bags for added convenience. Item Type: D Ring Rivet Material: Zinc Alloy, Iron Size: Approx. 15x17mm / 0.59x0.67in Use: D ring rivets can be used for handbags, pet collars, leather jackets, wallets, leather pants, backpacks, hats, etc. 20 x D Ring Rivet (with Screw)