Enables easy and safe shifting by preventing accidental ear engagement unless engine is idling. Detents for forward /neutral/reverse dual action, throttle and shift in one lever handle. Made of zinc alloy, chrome plate finishing. Pull out handles disengages shift for warm-ur -Neutral safety switch(options)prevents in-gear starting. YK9-D with two lever for two engine motors, connect with four cables YK9S Single lever YK9D Double lever Specification: Model: YK9-D Size(L x W x H): 157mm x 124mm x 445mm/6.18" x 4.88" x 17.5" Material: stainless steel Package Includes: 1 Piece Boat Engine Control Box Including Mouting hardware Note: 1.We provide clear pictures, measurements where possible. Please check as much as possible to make sure the item is the one that you need. 2. Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) 3. Instruction is not included. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand,Thank you.