1、Dual level dual engine control, dual action, throttle and gear lever. Very smooth shift and throttle can be carried out. 2、Operate the throttle and shift of 2 engines at the same time, very suitable for any type of boat with outboard, inboard or I/O power, gas or diesel. 3、The pull‑out handle is out of gear and is only used for throttle warm‑up. Built‑in friction prevents throttle creep. 4、Made of chrome‑plated marine zinc alloy, brass and stainless steel, it is durable, corrosion‑resistant and has a long service life. 5、Wide application, suitable for all 33C type and other engine control cables. 1 x Throttle Twin Lever Shift1 x Screw Pack (43pcs) Item Type: Throttle Twin Lever ShiftMaterial: Stainless Steel + Zinc Alloy + BrassApplication:  For use with all 33C style and other engine control cables