1、[Versatile Hex Bit Socket Set] The socket features 1/4, 3/8, 1/2 inch drives, and the bit features 2mm, 5mm, 3mm, 4mm, 5mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 12mm, 14mm. 2、[Premium Materials] The hex key socket set is crafted from CR V and S2 alloy steel materials, ensuring exceptional durability with drop forged and heat treated construction. 3、[Erosion Resistant] The set undergoes full polishing, featuring Cr plated mirror finish sockets and zinc phosphate coated bits for enhanced lifespan. 4、[Wide Applications] Ideal for use with manual torsion tools, this kit includes all necessary sizes for tasks involving hex bits in bikes, cars, appliances, lawn equipment, machinery, and more. 5、[Convenient Storage] Equipped with a storage case, this hex bit socket set is easy to organize and carry, providing convenience and portability for your work needs. 13 x Hex Bit Socket1 x Storage Box Item Type: Hex Bit Socket SetMaterial: CRV Alloy Steel, S2 Alloy SteelSize: Approx. 2mm/ 0.08in, 2.5mm/ 0.10in, 3mm/ 0.12in, 4mm/ 0.16in, 5mm/ 0.20in, 5.5mm/ 0.22in, 6mm/ 0.24in, 7mm/ 0.28in, 8mm/ 0.31in, 9mm/ 0.35in, 10mm/ 0.39in, 12mm/ 0.47in, 14mm/ 0.55in