Rotring - Rapid Pro - Wallet Black Mat PRO Rapid Mines - mines Uses 2 mm - Mechanism Plunger (Office Supplies)
Getting perfect hand, carries heavy mine without being too, good balance, a treat. Unlike versions 0.5 and .7mm, the tip does not retract (but it makes a good 3mm and is round / blunt) and no gum. The push also serves sharpener (as explained in chino