It is about 600 Pcs 3/4'' hog rings.They are packed in a plastic box,the weight of them is 0.95Ib.Hog rings are made of high-quality steel, strong enough and not easy to break These hog rings are made of high-quality steel with zinc plated.It is strong enough not easy to break which can effectively prevent the hog ring from rust and oxidation The hog rings are perfect for pet cages, car seat covers,chicken coops,fencing, repairing the interior of cars and furniture etc,providing you with the versatility you need It is better to use hog ring with hog ring pliers,they arefit most hog ring pliers You can easily hold the hog ring in place.These hog rings are good quality for easy and effortless operation