Specifications: 1) Size: 6, 8, 10, 12, 14, 16, 18, 20mm 2) Length: 230mm Inner packing: 1set/plastic box (color: yellow or black) or wooden box Outer packing: 20 sets/ctn Dimensions: 55 x 20 x 47cm N.W.: 25kg G.W.: 26kg