Package Includes: you get 3 pieces of cow magnets, sufficient quantity pack ensures you have replacements on hand or, alternatively, the capability to provide protection to multiple cows simultaneously Designed with Precision: our cow magnet is smooth with a cylinder shape, measuring 0.5 inches in diameter and 3 inches in length; The rounded ends of the magnet a safe and comfortable swallowing experience for the cows, reducing the chances of internal injuries Keep Your Cows Protected: this cylinder magnet is a crucial tool designed to protect cows from the ingestion of harmful metal objects; It attracts metallic substances, such as nails, staples, and wires, hence ensuring the safety of your livestock by preventing metal Sturdy Material: crafted from quality alnico alloy, our round magnet for cow are magnetic on both ends, against wear and tear, long lasting to attract, providing constant protection for your cows Helpful Accessories: the alnico magnets are useful tools for dairy farmers and veterinarians, protecting cows from damage caused by ingestion of metal objects, reducing the risk of abrasion on internal vital organs, making them a safe choice for your cattle's health The round magnet comes in a silver color, allowing for easy identification and retrieval to your livestock care routine. Your cattle's comfort is our priority. Our 1/2 inch magnets round are designed with a smooth cylindrical shape to easy and comfortable swallowing for your animals. Size: about 0.5 inch in diameter, 3 inches in length Color: Silver Material: Alnico Package Contents: 3 * Cow magnets Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.