Kobelt Control Twin Levers, Tee Handles of the same length. Twin Handle Mechanical Control Head The 2009 is a solid bronze and stainless steel control head that can be used for either single or twin engine configurations. The 2009 has separate handles, one for a clutch, and one for a throttle, each controlling a single function. The 2009 has 3" (76mm) of stroke, can be used for one or two stations, and requires a cable connection kit that typically uses 30 Series or 40 Series cables.