Pica Tools Longlife Automatic Pencil Refill Pack

4 x graphite, 2 x red and 2 x yellow lead refills\nLeads are easy to refill from the back end\nCompatible with other Pica products\nIts graphite lead for joiners in special hardness H is ideal for fine markings on dry surfaces\nThe water resistant summer leads is stable up to 70°C\nComes in a convenient and sturdy plastic box