Las minas para portaminas son resistentes a la rotura por ser polimerizadas . Son de fácil recarga.
Pentel Super Hi Polymer Leads 0.5 mm F Medium 12 Leads Per Tube - Office Depot
Pentel Super Hi-Polymer Lead, 0.3mm, Extra Fine, 4H, 12 Pieces/Tube, Box of 12 (300-4H)
Full Box of 11 Tubes PENTEL Super Hi-Polymer Lead 0.7 mm HB 12x11 132 Leads
REFILL LEADS TIKKY HI-POLYMER 0,7MM HB ROTRING
Pentel Hi-Polymer Super 0.7mm HB replacement leads for mechanical pencils
Faber-Castell 0.7mm HB Super-Polymer Fineline Lead (Pack of 12) : Artists Pencils : Office Products
Pentel Super Hi-Polymer Lead Refill (0.3mm) Extra Fine, 2H, 12 pcs/Tube, Box of 12 (300-2H)
Pentel Super Hi-Polymer Leads, 0.7 mm, HB, Medium, Black, 12 Tubes of Lead (50-HB)
Minas Super-Polymer Grafito Especial para Papel 12 minas HB ø 0,7mm FABER CASTELL
Hi Polymer Pencil Lead 0.5/0.7mechanical Pencil Lead 2b Hb - China Pencil Lead, Minas
Minas Super-Polymer, B, 0,7 mm
MINAS PENTEL SUPER HI-POLYMER (0.7 MM, 3 PZS.)
