Everybody has diverse penmanship styles which makes the requirement for various kinds of leads just as the requirement for profundity in structural plans and renderings. B Leads are darker and as you get to 9B they become increasingly more charcoal like. When beginning to draft, consistently utilize a H, by and large 4H to 9H. They are lighter in shade, with a harder lead that eradicates the simplest like shown at https://www.courseworkonline.co.uk . Simply be mindful so as not to compose/draw excessively hard, it will indent the paper bringing about issues with paper surface and eraser. You can likewise get a ghosting influence when concealing.