Use these fixtures to mark vehicle sides and avoid misjudging clearance.

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

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

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

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

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

Use these bulbs in tight spaces, such as in indicators and vehicle lights.

Pins on the base lock these bulbs into sockets to withstand vibration. They're often used in machines and elevators.