Steadyline™ Turning Bars feature GL connection that has polylobe taper interface with two 180° positions which orient tool cutting edges face up or down for effective chip control. Also, connection also offers locking capability via integrated clamping ring that draws in tool head for secure, stable taper-face contact. Accomplished via dynamic passive system inside holder body, rigidity and stability reduce unwanted vibrations during cutting. Coolant supply channels enhance chip evacuation.