Description Made with a slight bend or hump in the center so they close easily. Rings are placed in the nose to keep pigs from rooting. Can be used with all life stages. Made of durable copper-coated steel. Model Number: #3 Can also be used for other uses such as upholstery and repairing fence. Made with a slight bend or hump in the center so they close easily. Item Package Dimension: 2.0" L x 3.0" W x 4.0" H Decker HUMP Hill's rings - pig, shoat and hog sizes are made with a slight bend or HUMP in the center so they close easily. The hog rings are used in many industries, including automotive upholstery, wire cages, fencing, domestic upholstery, gardening etc.