Common size is 1 cm diameter, 1.5 cm, 2 cm, 2.5 cm, 3 cm, 3.8 cm, etc., should undertake choosing according to the width of the tape.It is widely used in making bags, handbags and shoulder straps. The common colors are silver,bronze, sweep copper and gun color.The shape is D-shaped, so it is called D-buckle, also known as D-buckle, D-buckle. The material of D buckle is generally divided into copper, iron and zinc alloy. D buckle made of copper and iron has fracture, except after welding, zinc alloy has no fracture. High-quality metal D-ring, with welded joint that resists deformation and guarantees maximum strength. Excellent for haberdashery, saddlery, and dog accessory production. Most commonly used as a suspension, connection, or tie-down component. Ideal for making collars for large or small animals, for purses, bags, belts and leather bracelets. Choose from sizes 10 - 50 mm.Sturdy material: These D-shaped buckles are made of quality metal material with a sturdy construction, not easy to break or deform, classic colors and metallic finish will maintain for a long time and won't fade easily, strong enough to provide long lasting performance. Extensive usages: Our D-shaped metal rings are widely applied, you can attach them to the key chain clip hooks, and hang them on your backpack, handbag, purse, bracelet, necklace, wallets, anklet, sweater chain, dog collars and more, just use creativity and imagination to come up with your own design. Classic outlook: The D-rings are non-welded and smooth in surface with a metallic luster, coating and shape are consistent, showing an elegant and delicate outlook. They are also well crafted without pointed edges or tips at corners, glossy colors make them nice for your handmade leather making and sewing projects.