This professional-quality Rotring Hi-Polymer lead is made of an extra-strong formula. It is ideal for sketching, writing, drawing, and many other applications. In keeping with their reputation for precision, Rotring has labeled the 0.3 mm lead as 0.35 mm, because standard 0.3 mm lead is actually closer to 0.35 mm in diameter. * Specifications : * Manufacturer : Rotring * Lead Color : Graphite * Lead Grade : HB * Lead Size - Diameter : 0.35 mm * Size - Length6.0 cm / 2.4 inches * Weight - With Packaging0.20 oz / 6 grams