Single Leer Control Designed For Right Or Left Side Wall Application With A Leer Locking Deice In Neutral Position To Preent Accidental Maneuers. Recommended For Outboard Motors, Inboard Motors, And Stern Drie Systems With Hydraulic Shifter. Equipped With A Deice That Allows Easy Operation Of The Throttle With The Shifter In Neutral Position. Can Use Safety Switch X12 (Item No. Gf.129287) That Allows Engine Start Only With The Shifter In Neutral Position.