Name: Hex Key (Plastic handle) Material: Carbon Steel, Chrome-Vanadium steel. Surface treatment: Chrome plated, nickel plated, black finished Size: 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm, 10mm 8pcs, 9pcs, 10pcs Packing: Sliding card packing, skin packing, blister packing, Color box, card hanger and so on.