Specifications: 1) Sizes: 10, 12, 14, 16, 18, 20, 25mm 2) Length: 230mm Inner packing: 1 set/aluminum box Outer packing: 15 sets/ctn Carton dimensions: 60 x 28 x 30cm N.W.: 23kg G.W.: 24kg Optional Information - HS Code : 8207 Interchangeable Tools for Hand Tools or for Machine-tools