PRODUCT : PENTEL AIN STEIN MECHANICAL PENCIL LEADS - Choose your lead diameter and hardness
DESCRIPTION :
0.3mm - H/HB/B/2B (15 Leads per tube)
0.5mm - H/2H/HB/B/2B/3B/4B (40 Leads per tube)
0.7mm - H/HB/B/2B (40 Leads per tube)
0.9mm - HB/B/2B (36 Leads per tube)