Ferrocerium flints are used used for the sparking pads, these ferrocerium rods have various length and the same diameter, then clip-on and self-adhesive sparking pads for the sports devices such as, skateboard, to generate sparks when the pads come in contact with a hard surface, such as cement(street), asphalt(sidewalk), or metal(railing), etc.,
The sparking paid is a skateboard accessory that sticks discreetly on the deck and produces a shower of hot sparks when you drag your tail of skateboard on the ground.
Sparks will vary with the amount of force applied, the length of dragging, and the coarseness of the skating surface.
This sparking pad fits on most skates and does not screw up your skating, it will eventually wear out and you just rip off what is left and start over with a new ferrocerium rods.
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