PENTEL Pack of 3 Hi Polymer Leads Super 0.5 mm 4H

Brepen

Super hi-polymer leads 0.5 mm. Available in different hardnesses, B, 2B, H, 2H, 3H, 4H, 6H and F. Material is a mixture of synthetic resin,graphite and carbon. Very dense structure ensures a deep black line and precise line thickness. Supple and break-resistant. Length 60 mm. Tube with 12 pieces

Amazon

Mechanical Pencil Leads Graphite leads: dense and solid Leads for drawing and writing on paper. Ideal for school, professional and leisure use Very strong, dense and soft leads Suitable for all mechanical pencils Each case contains 12 leads