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

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

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.

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.

Use these bulbs in standard sockets, panels, and appliances.

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

These slender bulbs are used in lamps and task lights.

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

Turn standard light bulb sockets into standalone floodlight fixtures using these bulbs, which have an aluminum reflector to focus light downward and add a finished look.

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