12 x Staedtler Mars Micro 254 Coloured Mechanical Pencil Leads - 0.5mm 1 x Tube of 12 Leads by Colour or a Mixed Set (1 tube of each = 3 tubes) Coloured Mechanical Pencil Leads in 3 Colour Options: Green Blue Red Mixed = 1 Tube of Each 0.5mm Smooth Gliding Leads Will Fit Any 0.5mm Mechanical Pencil Single Tube Mixed 3 Tubes Free Postage