Descriptions:Good Material: The D-ring is made of good quality zinc alloy, durable, strong, thick, and rustproof and has no color fading, is not easy to damage, easy to operateEasy to use: The D rings are easy to install and remove; simply thread the D-ring through the strap hole, then use a screwdriver to remove and secure the pinWide Application: D Ring Screw Removal Buckles are suitable for a variety of applications, such as handbags, backpacks, car keys, adjustable tie-down straps, DIY leather crafts, and moreMultiple Options: The U-shaped d-rings are available in a variety of colors and sizes to meet your different DIY needsProduct Specifications:Inner Size: 12.5x15mm / 0.49x0.59inchThickness: 4mm / 0.16inchPackage Content: 6 Pcs D-rings.