Questions for Truck Hardware Gatorback Black Wrap GMC Mud Flaps - Set - Requires FC001K Caps

Here is the set you need for the 2019 Sierra 2500 HD https://www.sharptruck.com/truck-hardware-gmc-sierra-logo-with-black-wrap-gatorback-mud-flap-set-gb1223cutg-full-gb1223g-full-gb756802 It will have everything needed to install the flaps on the truck