Faber-Castell Super-Polymer lead refills. My family purchased these. I believe they are for drafting. I am selling a set of Faber-Castell 0.5mm mechanical pencil lead refills, including 4 boxes of B type lead plus 2 loose leads, and 3 other loose leads. The 3 loose leads are 0.3 x 60mm HB. I will put 5 loose leads in an extra case. I believe they are unused, but some may have been used, so please be aware of this. Please understand that these have been stored by a private individual. The following text was created by AI. Please use it as a reference. I will prioritize shipping via Yu-Packet Post. Please understand that these have been stored by a private individual. - Brand: Faber-Castell - Model: Super-Polymer 0.5 - Quantity: 12 leads per box - Lead Diameter: 0.5mm - Type: B - Model: TK-Polymer 0.5 - Quantity: 15 leads per box - Lead Diameter: 0.5mm - Type: B Thank you for looking.