Graphite Ring Mandrel
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If you want to make colorful rings by rolling hot glass around measured graphite mandrels, then this is exactly what you're looking for!!
Our graphite ring mandrel includes 5 different graphite sizes, each with 2 measurements. Each graphite is 5 cm long, and the measurements are 2.5 cm.
Ring sizes are: 13-14, 15-16, 17-18, 19-20, and 21-22. The graphite ring mandrel is shipped disassembled.