GEN-Y PHANTOM 2 5/16" Single Ball Attachment 1" Diameter Ball Shank 7K Towing Model GH-12013R 42" Wide and it comes with a

and it comes with a 1/2" diameter pin with a 5/8" diameter adapter sleeve

Extang Trifecta E-Series 07-13 Tundra 8' w/ Deck Rail System Model 77956

Quick Fist Mounts

The 2-1/2 inch square receiver can connect to a ball mount

This particular set of running boards is designed to fit specific years of the Chevy Silverado 2500 HD or 3500 HD and GMC Sierra 2500 HD or 3500 HD (see application info to verify fitment)

GEN-Y PHANTOM 2 5/16" Single Ball Attachment 1" Diameter Ball Shank 7K Towing Model GH-12013R 42" Wide and it comes with aGEN Y PHANTOM 2 5 16" Single Ball Attachment 1" Diameter Ball Shank 7K Towing Model GH 12013R 2" Single Ball 1" Diameter Ball 5K Towing Capacity Made in USA