Pentel’s ranges of leads are stronger and longer-lasting than ordinary leads. Our Ain Stein range is our strongest ever refill leads, with ultimate resistance to breakage and superb density of colour and are suitable for most mechanical pencils.
Scientific tests have clearly shown Pentel Super Hi-Polymer Lead is stronger, denser/blacker, smoother in use and is slower in its wear rate and fulfils the Pentel criterion – quality, reliability, performance and value. Super Hi-Polymer Refill Leads are also made from 100 per cent recycled material