like most other shoe polish markers

we recommend that you buy one of our respirators with replaceable filters

and figure study

and the fixed 4

it works perfectly for clean lines

caran dache technograph 3 mm leads 6 pack Lead Grade:HB like most other shoe polishThe Caran d'Ache Technograph 3mm refill leads are premium replacement graphite leads for the Fixpencil 3mm clutch pencil and any standard 3mm lead holder. Each lead is formulated with high density extra pure refined Swiss graphite, engineered to minimize crumbling while delivering consistent, uniform line quality from first stroke to last. The extra thick 3mm diameter provides strong break resistance under sustained drawing pressure and produces a