Introducing Candy Red Shifter Shaft Extensions, available in 6, 9, 12, and 18-inch lengths. These extensions feature a candy red finish and a thread-on design with a 1/2 inch 1 13 Unified National Coarse (UNC) thread that is 1 inch long. With a diameter of 3/4 inches, these extensions are sold individually and are designed to fit the Peterbilt Shifter Shaft (UP21740). Enhance your shifting experience with these practical and stylish candy red shifter shaft extensions.