Metric Size = 21mm 전체 길이 = 177 mm VDE/1000V Approved = Yes Double Ended = No Size = 21 mm The SAM insulated open-end wrenches forged from chrome vanadium steel. It has 1 opening by key and extra-flat head wrenches combining strength and lightness feature. It has jaw diameter of 21 mm. 무게 177 g