Versatile wrench designed for various technical shut-off systemsCan be used for 9 different applicationsFeatures a 5 mm square for aerating radiator valvesEquipped with a ¼” bit holder with a magnetSquare locking sizes: 5, 6, 7-8, 9-10 mm, with 7-8 mm also having a magnetTriangular locking sizes: 7,..