Davis Instruments Tamer Tiller. The tension is smoothly adjustable from fully locked to fully free. Tiller-Tamer gives improved control and feel to the tiller handle. Does not interfere with automatic steering systems. No loss of cockpit space. No need to lash the tiller when boat is moored or trailered. Specifications for Davis Instruments Tiller Tamer: Manufacturer: Davis Instruments Length: 3 in Color: Black Package Contents: Davis Instruments Tiller Tamer Davis Instruments 2205: Tamer Tiller