Plastic Bases

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Plastic Bases for Fireworks Tubes Making fireworks mortars requires a tube and a base. Use these black ABS plastic bases for stabilizing cardboard/paper fireworks mortar tubes. These bases are standard sizes and match our tubes (see "Tube No." column below). If you use one of these bases with your tube, you do not need a bottom-plug in your mortar tube. Glue these bases to your mortar tube using white (Elmer's) glue. Do not use hot melt--it does not hold well enough. Note: Glue these bases to your mortar tube using white (Elmer's) glue. Do not use hot melt--it does not hold well enough.