Color: Black; Material: Zinc Alloy; Thickness: 6mm/0.24-inch; Inner Diameter: 39mm/1.54-inch; Outer Diameter: 51mm/2-inch||Advantage: Zinc alloy material, electroplated surface, rust proof, durable and long service life. Lightweight, easy to carry, simple to use and simple installation||Instruction: 1. Select the spring gate O-rings with appropriate size; 2. As a ring buckle, it is used for all kinds of keyrings, bags, purses, etc.||Application: Multifunctional spring buckles are widely used in daily life, mainly for key chains, bags, purses, straps, webbing, DIY handicrafts, etc.||NOTE: Please pay attention to select the appropriate size, especially the diameter of the spring gate O-rings
