Vintage Pyrex 662 saddle top glass insulator, made by Corning using durable borosilicate (Pyrex) glass. This example is identified by collectors as CD 102 and features the classic saddle-style top used for telephone and utility lines.

These were designed for strength and heat resistance and are less common than standard pin-type insulators.

Condition:

Clear glass with good clarity

No cracks observed

No major chips noted

In great condition