Pica Dry Pen REFILL Black Yellow Red pk8 4020

Pica Dry Pen REFILL Black Yellow Red pk8 4020\n\nThis set includes 8 assorted leads : \n4 x graphite, \n2 x red, \n2 x yellow\nFor almost all surfaces, no matter if dry or wet, glossy or rough, dusty or oily, bright or dark\nWipe clean from glossy surfaces with a damp cloth\nLeads are already sharpe...