PLEASE SELECT YOUR INCUBATOR WITH THE TURNING RING OF YOUR CHOICE : TX6 W/MANUAL EGG TURNING W/9 TURNING RINGS, 120V Stock #: 910-000/9 $ 195.00 (+ $ S&H) TX6 W/MANUAL EGG TURNING W/18 TURNING RINGS, 120V Stock #: 910-000/18 $ 195.00 (+ $ S&H)   TX6 W/MANUAL EGG TURNING W/27 TURNING RINGS, 120V Stock #: 910-000/27 $ 195.00 (+ $ S&H)   TX6 W/MANUAL EGG TURNING W/48 TURNING RINGS, 120V Stock #: 910-000/48 $ 195.00 (+ $ S&H)   TX6 W/MANUAL EGG TURNING W/ 72 COMBO RINGS, 120V Stock #: 910-000/72 $ 195.00 (+ $ S&H)