Product size: The product is 43.5mm long, 22.5mm wide, and the webbing size is 5/8 inch (16mm). Applicability: Our buckles can be used in a variety of projects, including fun crafting activities, bracelet buckles, adjusting strap length, DIY applications, lanyards, toys, gifts, and more. Our buckles are great for replacing and repairing damaged buckles, or for making your own straps and laces. Special features: All buckles are arc-shaped. There is a removable and reusable key in the middle of the buckle for emergency use. Very convenient and concealed, it is very suitable for use as a paracord bracelet and military use. Product material: This product is specially designed with plastic material, which has a high service life and is not easy to damage. Product list: Product include a total of 10pcs Key Buckle, which can completely meet your daily use needs and replacement.