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

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

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

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

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.

Small but powerful, these bulbs are commonly used in stage and security lighting.

Illuminate warehouses, factories, and arenas with the bright, white light of these metal halide light bulbs.

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