Puncture Proof Long Rod Insulator has rating up to 800 KV and creepage distance of 25 and 31 MM/ KV. The Insulator is puncture-proof and has high arc resistibility and is free from cement growth trouble. The Puncture Proof Long Rod Insulator can be used at suspension and tension locations both as single and multiple strings as per system requirements and is useful for reducing the width of the right of way with consequential economy in the design of the overhead line.