This is a set of FRIXION ballpoint pen refills, including black and red, in 0.4mm, 0.5mm, and 0.7mm sizes. Details: All are unused. Black/0.5mm, set of 3 x 2 (1 set is unopened) Black/0.7mm, set of 3 x 1 Red/0.4mm, set of 3 x 1 Opened items are also unused. Equivalent to 1,200 yen. - Brand: PILOT - Model: FRIXION Thank you for looking.