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 Refill three piece set which Pentel recommends includes: Refill Lead, 1 tube (40 leads per tube) XC255-B, 2B, 3B 0.5mm lead,, 1 Each All products are Made in Japan.