Toughened Glass Insulators - Strong & Safe

Think about Toughened glass insulators!
Higher reliability / Lowest life - cycle costs
No aging, 80+ years lifetime
No hidden defects or punctures (secure binary behavior, intact or stub)
Easy and infallible visual inspection (no instruments required)
No risk of separation - no line drop
Safe for hotline work
Tough to break - Mode is small kernels with no risk of equipment damage