Extended long life bulbs - have a pinched tube, extra filament supports a higher quality filament material for 4000 hour bulb life.

Features

• Heavy duty unbreakable case- stores up to 6 halogen bulbs from 100 to 600 Watt
• Foam packing - protects bulbs against damage when in your toolbox or glovebox

Includes

• (6) 500 Watt (110-130V) rough service halogen bulbs
• Hinged face storage case