Turntable,Swivels,For Turck seat,Bus seat. Facts The Turntable is available with standard locking positions at 0, 45,and 180 angle, but other locking, or holding positions can be provided if specifi ed by the customer. The Turntable is locked using a hand lever. The Turntable has a structural height of 39 mm. Installation dimension: 216x325mm,244x278mm. external dimensions: 360x300mm(exclude the handle).