The West Coast Paracord Survival Buckle has several features. It is a 4 in 1 tool and a multi-functional emergency kit that includes a flint fire starter, scraper, whistle, and oil filled compass. For emergency uses, the whistle is useful for getting someone's attention when you are in need of help or are in a dangerous situation. It's also great for making survival gear that you can use every day such as paracord bracelets, lanyards, keychains, and more. This plastic buckle is small and light weight with several different functions, so you can carry it anywhere at any time. Optional quantity choices are either a pack of 2 pieces or 10 pieces. Measurements for the buckle are 2 ½ inches in length and 3/4 inches for the webbing size, and each buckle weighs around .58 ounces.