一、日本制"EISEN"精密針規規格:0.50-1.00 間隔:0.01MM 每套支數:51支 
二、日本制“EISEN”（愛生）EP系列精密針規的詳細介紹 
EP系列,間隔為0.01mm
三、1   型號 規格mm以及每套的支數如下 
      1>EP-00 0.05-0.20 16支                 2>EP-OA 0.20-0.50 31支
      3>EP-OB 0.50-1.00 51支                4>EP-1A 1.00-1.50 51支
      5>EP-1B 1.50-2.00 51支                 6>EP-2A 2.00-2.50 51支
      7>EP-2B 2.50-3.00 51支                 8>EP-3A 3.00-3.50 51支
      9>EP-3B 3.50-4.00 51支                 10>EP-4A 4.00-4.50 51支 
      11>EP-4B 4.50-5.00 51支               12>EP-5A 5.00-5.50 51支
      13>EP-5B 5.50-6.00 51支               14>EP-6A 6.00-6.50 51支
      15>EP-6B 6.50-7.00 51支               16>EP-7A 7.00-7.50 51支
      17>EP-7B 7.50-8.00 51支               18>EP-8A 8.00-8.50 51支 
      19>EP-8B 8.50-9.00 51支                20>EP-9A 9.00-9.50 51支 
      21>EP-9B 9.50-10.00 51支 
     2   型號 規格mm 每套支數
     1>EP-10A 10.00-10.50 51支             2>EP-10B 10.50-11.00 51支
     3>EP-11A 11.00-11.50 51支             4>EP-11B 11.50-12.00 51支
     5>EP-12A 12.00-12.50 51支             6>EP-12B 12.50-13.00 51支
     7>EP-13A 13.00-13.50 51支             8>EP-13B 13.50-14.00 51支 
     10>EP-14B 14.50-15.00 51支           11>EP-15A 15.00-15.50 51支 
     12>EP-15B 15.50-16.00 51支           13>EP-16A 16.00-16.50 51支 
     14>EP-16B 16.50-17.00 51支           15>EP-17A 17.00-17.50 51支
     16>EP-17B 17.50-18.00 51支           17>EP-18A 18.00-18.50 51支
     18>EP-18B 18.50-19.00 51支           19>EP-19A 19.00-19.50 51支 
     20>EP-19B 19.50-20.00 51支