Sideswipe's blade, which is made of the Cybertanium.

Cybertanium is a metal from the Movie continuity family.

Cybertanium is an extremely rare and near-indestructible metal mined from deep within the planet Cybertron. It is often used to forge swords, blades and other melee-type weapons. Both Sideswipe and Dino use it for their blades. Optimus Prime uses it for insulation against his active blades.

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