Koh-I-Noor 4345 Black Chalk 2 Medium 5.6mm - Box of 6

The Koh-I-Noor 4345 Black Chalk has lead characterised by intense black velvet markings especially suited to portraiture. It comes in three hardnesses; 1,2 and 3

  • Hardness: 2 Medium 
  • Width: 5.6mm

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