CR1521 6-point SAE socket, 1/2" drive Size : 1"
Additional information :
-Dimension: 1"
-Height: 1-9/16"
-Standards: 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