Koh-I-Noor has a wide range of chalk, charcoal and graphite blocks all in combination sets, or as individual colours, with varying degrees of softness.
Koh-I-Noor 4390 Graphite Block - 7X7 (Pack of 18)
A pure 7mm x 7mm x 70mm graphite block.
Sketching
Fine Art
From
£3.95