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Similar to an automotive high performance damper with a separate gas reservoir that is often known as a piggyback tank, our Damper Pen has a piggyback tank designed to serve as a hanging clip as well as an LED torch. The body of this unique writing and lighting instrument is made of CNC machine cut aluminum billet. The lighting source is from a small LED, which is powered by a XX size battery fitted inside the piggyback tank. The on/off function is performed by pressing the light tip.
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