The world's #1 selling lead refills. Never needs sharpening and equivalent to #2 wooden pencils. Writes smooth dark lines and proprietary lead formula resists breaking. HB lead is guaranteed to scan on standardized tests. Details: Refill lead for 0.9mm mechanical pencils Bundle of 12 packs, 360 Lead Refills total.Each individual pack contains 30 Lead RefillsPentel Super Hi-Polymer HB lead is equivalent to a #2 pencil Guaranteed to scan on standardized tests Never needs sharpening and produces a clear, dark line