Made of chrome molybdenum alloy (Cr-Mo) steel, providing exceptional tensile strength and toughness, allowing impact sockets to withstand the high torque of impact tools,These stubby impact sockets are shorter than shallow length sockets, featuring a low-profile design that allows them to fit into tight spaces where standard sockets can't reach,14-piece 3/8" drive metric impact socket set includes: 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19 mm. Multiple sizes offer more flexibility for work,Providing excellent multifunctional performance, this tool is versatile enough for automotive re