产品规格：   笔全长        毛高       毛宽   

      1号笔                       26                  1.2            0.5

      2号笔                       26                  1.2            0.6

      3号笔                       26                  1.2            0.6 

      4号笔                  26                  1.4            0.65

      5号笔                       26.5                1.4            0.7

      6号笔                       27                  1.6             0.9

      7号笔                       28                  1.65             1

      8号笔                      29.5                1.7              1.1

      9号笔                      31                  1.9              1.3

     10号笔                     32                   2                1.5

      11号笔                    32                  2.2              1.6

      12号笔                    33                  2.4                2