ystudio Brass Mechanical Pencil Lead Case Black (YS-STAT-07B) Holds approximately 60 0.5mm mechanical pencil leads [Product Specifications] Size: 85mm x Φ8mm, Inner Diameter 3mm Weight: 13g Material: Brass Package: 88 x 16 x 17mm ※ Unused ※ Replacement leads sold separately. ※ Writing instruments not included.