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