The XCHTX Theft Protection Stop Lock Magnetic Key is a pack of 3 silver magnetic keys designed to prevent theft. These metal keys have a sleek design and are manufactured by XCHTX. The package weighs 181 grams and includes 3 keys that are 23mm in width, 10mm in height, and 99mm in length. Each key is magnetized and can be easily attached to a steel surface to deter theft. Perfect for protecting your belongings and improving security in your home or business. B3