Overview Reviews Product Description Staedtler Mars Lumograph HB Pencils Box of12 are premium quality hexagonal shaped pencil for sketching, drawing and writing. The special lead formulation provides results with a metallic lustre in a wide variety of grey tones for sketches and drawings. Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × Staedtler Staedtler Mars Lumo HB Box 12 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments