Each of the three blades used in Olympic fencing has a different composition, techniques and scoring area.
The foil is a thrusting weapon and has a maximum weight of 500 grams. The torso is covered by a lamé and only the tip of the blade counts.
The maximum weight of the épée is 800 grams. The only thing that counts is the tip of the blade, so there is no lamé.
The sabre has a maximum weight of 500 grams and is a cutting and thrusting weapon. The entire blade can score with the target area of the upper half of the body, including the face mask and neck bib, which must be made of conducting material.