These miniature bulbs are sized to fit older telephone switchboards, signs, instruments, and indicators.

Offset pins on the base lock these bulbs into sockets. One pin is slightly higher on the base than the other pin.

These bulbs are sized to fit tight spaces such as indicators and vehicle lights.

Bulbs have two filaments, which operate at different brightness levels.

Commonly used in signs, instruments, indicators, and flashlights.

Fit these bulbs in tight spaces such as signs, control panels, indicators, and flashlights.