Fine Line Hi Polymer Resin Refill Leads are engineered for maximum strength and performance. There superior quality leads are stronger and smoother than standard hi-polymer leads. 24 leads per tube
.3mm Mechanical Pencil Lead Applications
.3mm lead produces extra fine lines ideal for writing intricate, small details useful for drafting and engineering tasks. We offer Fine Line .3mm lead in B, HB, H and 2H hardness.
Lead Hardness Use Specifications
Soft Lead B
Creates a dark to very dark line density
Easy to read
Has a very smooth feel
Ideal if you want bold, thick lines
Medium Lead HB
Creates a medium line density
Most popular lead hardness categories
HB lead is equivalent to a #2 pencil
Good tensile strength
Smooth Feel Ideal for accounting and general writing
Hard Lead H & 2H
Creates a light to very light line density
Exceptional tensile strength
Ideal for drafting and engineering applications
What does the “HB” in Fine Line Hi Polymer HB lead stand for? "HB" is a universal term meaning "Hardness" and "Blackness". There are different levels of hardness and different levels of blackness to choose from, however, HB is known to be the standard and the equivalent to a #2 wooden pencil.
Does your refill lead actually contain lead? Fine Line lead refills are made from graphite. They do not contain actual lead.