Turns are available in 29in., 23 1/2in., 17 3/8in., and 11 1/4in. radius.

The 29R turn is available in 45 and 22 1/3 degree
The 23R turn is available in 90, 67 1/2, and 45 degree
The 17R turn is available in 90, 67 1/2, and 45 degree
The 11R turn is available in 180, and 90 degree