Pentel 0.5 Refill 3-piece Set SHAS for PG1015/515, Packaged Ain Stein Lead, 0.5 mm HB Soft, HB, HB Hard for PG1015/515, Tube of 40pcs (XC275HB1, HB, HB3), 1 Each Refill three piece set which Pentel recommends includes: Refill Lead, 1 tube (40 leads per tube) XC255HB1(Soft), HB, HB3(Hard) 0.5mm lead, 1 Each All products are Made in Japan.