L21 Wattage: 250 Features: -Material: Heavy-duty plastic.-Electronic wire and cable.-Extra filament support and higher grade filament material for longer life.-Each bulb fits into a foam slot and is protected from impact, moisture and other debris.-Protective case is ideal for halogen bulb storage.-Rough service halogen bulbs are rated for up to 4,000-hours. Construction: -Use for the security, sound, telecommunications, electrical construction, retail, commercial, industrial, irrigation, HVAC and automotive markets. Dimensions: -Dimensions: 10.5" H x 23" W x 26" D.