Turn length remains 7 1/2″ long. We just add square to the bottom and top of the 7 1/2″ turning.
Base Width: 1 1/2″
Depth: 1 1/2″
Available Heights: 12″, 16″, 18″
Decorative Turn Length: 7 3/4″
Actual length may be 1/4″ shorter than what is listed above.