Mr.Hobby Masking Sheet 遮蓋貼紙
A masking sheets with slits 1 mm or 2 mm in width. This saves time and effort to cut the masking tape when you need fine lines.  Two sheets with slits of 1 mm and 2 mm in width, one each, are packaged.
1 mm in width: 166 mm in length, 90 slits/sheet.
2 mm in width: 166 mm in length, 45 slits/sheet