3 pieces x 2 boxes LFBKRF30EF38 Unopened, but the package shows some scratches. Will be packed with materials I have at home. For combined purchases, deduct 200 yen from the total for each additional item. Compatible products: *Frixion Ball Knock Extra Fine (0.5 mm / LFBK-23EF) *Frixion Waai Ballpoint Pen (0.5 mm / LFW-15) *Frixion Ball Extra Fine (0.5 mm / LFB-20EF) The main body is no longer in production. *Frixion Ball Knock Biz (0.5 mm / LFBK-2SEF) The main body is no longer in production. *Frixion Ball Biz (0.5 mm / LFBN-150EF) Also usable with these products: *Frixion Ball Knock Fine (0.7 mm / LFBK-23F) *Frixion Ball Knock Zone Extra Fine (0.5 mm / LFBKZ-3SEF) *Frixion Ball Knock Zone Extra Fine (0.5 mm / LFBKZ-2SEF) *Frixion Ball Knock Zone Fine (0.7 mm / LFBKZ-50F) *Frixion Ball Knock Zone Extra Fine (0.5 mm / LFBKZ-50EF) *Frixion Ball Fine (0.7 mm / LFB-20F) The main body is no longer in production. *Frixion Ball Knock Medium (1 mm / LFBK-23M) The main body is no longer in production.