The package: 1 x Antenna, 8 x Different Size Screws Adapters, 2 x Rubber Rings. This is enough to satisfy your usage needs. Our car antenna adopts the appearance design of bullet head, the unique streamline style makes your car look more cool drink personalized. Durable Material: This car antenna replacement is made of high quality aluminum alloy, the tough internal material and the surface that will not fade make it very durable. It has a short but sturdy structure that can withstand automatic car washes and will not be easily bent or damaged.Easy to Install: You can very easily complete the installation in a matter of minutes. Simply unscrew and remove the old antenna from the car or pickup trucks, then select the appropriate screws for the car antenna mount and install the antenna.Compatible with: 1999 - 2022 Chevy Silverado 1500 2500 3500 Pickup Truck; 2006 - 2018 Chevy Colorado Pickup Truck; 2000 - 2017 Chevy Suburban 1500 2500 3500; 2007 - 2017 Chevy Equinox that have roof screw mounted antenna; 2002 - 2013 Chevy Avalanche; 2000 - 2017 Chevy Tahoe; 2005 - 2010 Chevy Cobalt; 1999 - 2022 GMC Sierra 1500 2500 3500 Pickup Truck; 2006 - 2018 GMC Canyon Pickup Truck; 2000 - 2017 GMC Yukon; 2002 - 2009 GMC Envoy; 2002 - 2017 Cadillac Escalade.