Checkers high-visibility unlighted warning whip alerts other vehicles to your presence, to help prevent accidents. It's made with premium fiberglass resin for high visibility and durability no matter what the weather or work environment. The Day Bright™ fluorescent flag helps people spot equipment, vehicles, or important locations at the jobsite. The integrated lamp socket lets you add your desired light, sold separately. Warning Whip, 6 ft., Includes Flag