0.7mm black ballpoint pen refills, set of 4, offering a smooth writing experience. - Model: BKSS7 - Size: 0.7mm - Colors: Black, Blue, Green - Quantity: Set of 4 each (2 refills x 2 sets) - Type: Ballpoint pen refills Unused, but has been stored for a long time, so please understand before purchasing. Please note the following: - No individual sales at this time. - Simple packaging, reuse of packing materials. - Possible change of shipping method (Yu-packet Post → Rakuraku Bin) (Rakuraku Bin → Yu-packet Post)