... ) EN71 STANDARDS 3) writing smoothly ,deep black ,Hb hardness 4) 12 pcs/ box stripped Hb pencil 1) 7 inch length ,hexa shape2) core ... diameter 2mm3) hb hardness4) stripped the pencil body5) wiht ... body are bright color , the core is soft ,rich laydown 4 Color pencils have many colors ,6, 12, 24, 36, 48 ...