Hello , This is Mustafa from Istanbul-Turkey . We need keyblanks and we are planning to buy 300.000 pcs in a year . and 100.000 pcs in one time . Please check attached to and give me your best offer (FOB price ) . (with plastic head and without plastic head ) for any question please write me. . for0 506 814 43 25 . weight : 5,3 g thickness:2 mm