150-305 - Turntable 21-Stall 9" Dia - HO Scale21 Stall Turntable 9" 22. 8cm Diameter The Atlas HO Scale fully assembled 21 Stall Turntable, is a 9" 22. 8cm diameter turntable with the ability to stop at 21 positions, 15 degrees apart. Geneva movement locks table in exact position every time. Simulated wood brown turntable deck and concrete pit ring look at home in your engine terminal. This turntable is designed for surface mounting with no cutting into your layout base necessary. It features