Hi-uni is Uni Mitsubishi Pencil's premium wooden pencil line with a selection of 22 hardness grades. Beautiful to write with as well as look at, these wooden pencils make a marvelous addition to any art tool collection. This set of 22 pencils provides all hardness grades ranging from 10B to 10H.Details:22 pencils Write in rich, dark and even linesPencils come unsharpenedHoused in a reusable aluminum caseVariety of grades for an array of effects