Thin Line HDPE Blank Mold - 7/8" x 5-1/4" x 7/8" bottle stopper mold This blue tube-in silicone mold

This blue tube-in silicone mold cast two tubes for the following kits:

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Thin Line HDPE Blank Mold - 7/8" x 5-1/4" x 7/8" bottle stopper mold This blue tube-in silicone moldCustom version of our standard 7 8" x 5 1 4" x 7 8" HDPE Blank Mold with a 1 8" slot to cast laminate, colored wood, or other segmenting material of your choice measuring 7 8" by 5 1 4" into the pen blank (not included). The end slots hold the material in place when casting the rest of the blank, as seen in the Thin Line blank pen blanks. High density polyethylene (HDPE) is a polyethylene thermoplastic, used in the production of plastic bottles and