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Be made of light epoxy resin, it's very light, can bear high voltage and high strength.
Specification:
10kv: 3 sections-- 3m/4m, 1.5kg/1.78kg.
35kv: 3 sections-- 4.5m, 2.16kg.
110kv: 3 sections--5m, 2.4kg.
220kv: 4 sections-- 6m, 2.84kg.
500kv: 4 sections-- 7.5m, 4kg.
