DONG-A XQ Ceramic GOLD Lead Refill, 0.5mm, 2B, Ultra Strength, 360 Pieces of Lead Brand : Dong-A, korea Product : Dong-A XQ Gold 502 Mechanical Pencils Leads Package : 1 packs of 30 pieces of lead / Total 360 Pieces Ball size : 2B 0.5mm / (W) 70mm Weight : 106g (4.12 oz)