Height: 18” Bolt-hole: ½”-13 on 3” center voltage: 34.5KVBIL: 200KV FREE SHIPPING Buy In Bulk & Save Buy 1 - 99 and pay only $101.57 each Buy 100 - 249 and pay only $91.41 each Buy 250 or above and pay only $82.27 each. Meister International offers porcelain station post insulators with standard strength ratings, as well as high-strength, and extra high-strength. All tr-210 insulators are available from stock to satisfy emergency repair and upgrade requirements that are common in the electric power industry. Installed worldwide, Meister International has many years of proven reliability as a post insulator manufacturer, and our porcelain station post insulators’ low maintenance operation and superior electrical and mechanical characteristics make them ideal insulators for high voltage switch and substation bus-support applications. Porcelain post insulators are available in various electrical and mechanical ratings to allow engineers to specify the proper insulator for their installation.