pentel 0.5 refill 3-piece set 3b2bbas for pg1015/515, packaged ain stein lead, 0.5 mm b, 2b, 3b for pg1015/515, tube of 40pcs (xc275-b,2b,3b), 1 each pentel refill three piece set which pentel japan recommends includes: refill lead, 1 tube (40 leads per tube) xc275-b, 2b, 3b 0.5mm lead, 1 each