Model: WL15. Size(optional ): 1.0mm 150mm, 1.6mm 150mm, 2.0mm 150mm, 2.4mm 150mm, 3.2mm 150mm, 1.0mm 175mm, 1.6mm 175mm, 2.4mm 175mm, 2.0mm 175mm, 3.2mm 175mm. Easy to create an electric arc, eco-friendly and no radioactivity.
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