Features: Triangle buckle oval ring diameter: 16.5mm/0.65inch, 22mm/0.87inch, 28mm/1.1inch, 36mm/1.42inch can be selected, round ring diameter: 6mm/0.24inch, 8mm/0.31inch, 10mm/0.39inch, 13mm/0.51inch can be selected. Can be used in various applications, sports equipment, pet products, etc. Excellent for quick connection/disconnection of belt and bag straps and more. Perfect for use on collars, belts, backpacks, luggage, bag accessories. Products should be tested on your specific application. Specifications: Material: Stainless Steel Size: Approx. 15mm/0.59inch, 20mm/0.79inch, 25mm/0.98inch, 32mm/1.26inch(Optional) Quantity: 10Pcs Note: Please allow 1mm error due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Includes: 10Pcs D-Ring Buckle