Tungsten carbide car weight. | |||
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Tungsten carbide car weight. Small (1" square) weight made of tungsten carbide and meant to be used in Pinewood Derby (model) race cars. I'm not clear on whether that would be considered cheating or not. Source: eBay seller dlafew Contributor: Theodore Gray Acquired: 2 April, 2009 Text Updated: 7 April, 2009 Price: $10 Size: 1" Purity: 90% | |||
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