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

These bulbs have a bi-pin connection to lock into sockets.

Replace screw-in incandescent bulbs in exit signs with longer-lasting, energy-efficient LEDs.

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

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

These bulbs are small, but very bright, so they're often used in flashlights and optical instruments such as projectors and microscopes.

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

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

Wire terminals allow you to connect these bulbs to a power source through a panel.