To solve the problem that a predetermined ink quantity cannot be supplied from immediately after the operation in the supply blade used for a rotary press, and a printing unevenness occurs.

The supply blade 1 used for the rotary press for supplying an ink in a predetermined thickness by bringing a distal end into contact with the outer peripheral surface of an ink foundation roller 2 comprises: a metal plate 9; and the distal end made of zirconia ceramics connected to the plate 9. In this blade 1, a straight part 11 having an oblique angle of 5 to 85° is formed at its distal end.