- 400 KV POLYMER SUSPENSION INSULATOR. - BRAND/MANUFACTURER: ISOELECTRIC. - MODEL: ISOL-TS-Z-SB120-2495-1GR. - NUMBER OF SKIRTS: 61 (31 SKIRTS WITH A DIAMETER OF 145 MM; AND 30 SKIRTS WITH A DIAMETER OF 110 MM). - INSULATOR LENGTH: 2.42 METERS. - WEIGHT OF EACH INSULATOR: 10 KG.