Pins on either side of the base lock these bulbs into sockets.

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

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

Use these bulbs in ovens and equipment that reaches temperatures up to 500° F.

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

These bulbs lock into GU24 light sockets with a twist.

Trim around the bulb provides a finished look to recessed lights.

Prongs on the side of the base plug into specialty track lighting fixtures.

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

Often used in task lights, these two-pin wedge base bulbs are comparable to PL, Dulux, and Biax bulbs.

Use these as replacement bulbs in stack lights.

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