gran board 2 內附飛鏢

[Gansanity (Gansanity)]

如題，請問鏢針是2ba還是4ba?

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推 tom0407: 2
推 hakuma0311: 小知識，4BA長這樣喔～
→ hakuma0311: http://i.imgur.com/TsMBhPr.jpg
推 inateriver: 很少有4ba