Single-Leer Dual-Action Control Boxes For Gas And Gearbox Control. Suitable For Any Type Of Boat With An Outboard, Inboard, And Stern Drie Engine Equipped With A Hydraulic Gearbox. Features: • Make Driing Easier And Safer By Automatically Preenting The Engagement Of The Gearbox During The Engine Warm-Up Operation. • Made Of Die-Cast Aluminum And Chrome-Plated, Internally Fitted With A Clutch. • Pulling The Leer Out Disengages The Gearbox During The Engine Warm-Up Operation. • With The Optional Safety Switch X43 (Our Item Gf.129289), The Engine Can Only Be Started With The Gearbox In Neutral Position.