" "aircraft aluminium, hardened brass, Premium(!!!) neodymium magnet, high grade plastic!!" ... if a designed object requires so much words - it's not that great. I'll stick to my ALVIN draft/matic. Also, what happens when the lead is going shorter and the magnet is under your fingers? Another thing, pretty important for illustrators and calligraphy artists - balance. Here, the balance is going to change all the time...."