CR1020 6-point metric socket, 1/2" drive Size : 18mm
Additional information :
-Dimension: 18 mm
-Height: 37,8mm
-Standard: ISO 691/1711 - 1/1174 - 1/2725 - 1/3315
-Material: chrome vanadium steel
-Finish: polished chrome
-Profile SO EASY: safer for the nut and more powerful