ITE Gould EFL-1 Breaker Lock Device For Obsolete EE EH HE CE Circuit Breakers

This is an ITE Gould EFL-1 breaker lock device, designed for use with older, obsolete circuit breaker lines like EE, EH, HE, and CE.

It's a new old stock type item, still in its packaging.

If you need to lock out and tag out vintage electrical equipment, this specific part is what you're looking for.