SMAKN&reg; Folding Hexagon Hex Torx Allen Key Wrench Set Tool Kit High quality cr-v material, heat treatment, high hardness, high torque, durable. Die-hard surface electroplating processing and beautiful, rust prevention, wear-resisting. Lightweight aluminum alloy iron shell, the antirust effect better. Folding wrench, durable and effort, receive, carry convenience. Product specifications: 1.5 mm, 2 mm, 2.5 mm, 3 mm, 4 mm, 5 mm, 6 mm, 8 mm.