The WADFOW 14pcs E-Type Socket Set is crafted from durable Cr-V steel, heat treated and chrome plated for strength and longevity. It includes 5 pcs 1/4″ sockets (E4-E8), 5 pcs 3/8″ sockets (E10-E16), and 4 pcs 1/2″ sockets (E18-E24), all packed in a sturdy BMC case. Ideal for automotive, mechanical, and DIY applications, this set provides reliable performance for a wide range of tasks.