8'' x 4-1/2'' (EU: 20,32 cm x 11,43 cm) to accommodate today's cell phonesUses six neodymium magnets with a combined strength of 39.6 pounds (EU: 17,96 kg) of pullBetter contract and holding strengthFor most steel gas tanksMade in the U.S.A.EU: 20,32 cm x 11,43 cm to accommodate today's cell phonesEU: Uses six neodymium magnets with a combined strength of 17,96 kg of pull