the cutting tool (1) includes an anvil (4), a cutting blade (56) mounted mobile in rotation about an axis of rotation (27) in relation to the anvil so that the cutting edge (21) of the cutting blade is supported on one side of glass (31) of the anvil in a closed position the cutting tool, and a cam (10) into the closed position of the adjustable abutment section of the tool.the adjustable stop cam forming means for positioning with low (8, 9) so as to be a set of discrete predetermined positions of adjustment.
