Flagstaff heavy duty warning whips easily attach to your off-road vehicle to warn others of your vehicle's presence. Warning whips provide quick and easy identification of other vehicles or equipment in your area. Bolt-on mounting for easy attachment. The Flagstaff heavy duty industrial series includes a flexible, white fiberglass whip with a heavy duty flag and mounting base for vehicle attachment. Mounting base-no lamp socket. flag measures 12" width by 11" height. Available in green color. Weight is 1.4 pounds.