Go Industries Dually Mud Flap Set - Diamond Tread Set - Includes Flaps, Brackets, Diamond Tread Weights and Stiffeners Model D70738SETGo Industries Dually Mud Flap Set Diamond Tread Set Includes Flaps, Brackets, Diamond Tread Weights and Stiffeners Model D70738SET Go Industries Bright Diamond Tread Dually Set includes one pair each of 19 x 24 mud flaps, custom heavy duty brackets, 19 x 3 bright diamond tread weights and 19 x 12 bright diamond tread stiffeners. (Chevy and GMC 2011 2016 will only come with bottom 19 x 3. 5 Stainless or Diamond Plate. Not offered with anti sails)