Item Name: 2Pcs Cord Tether Lanyard Switch Motor Kill Stop Outboard Engine Boat. Material: PlasticColor: Red100% New And High QualityWire length: Approx 15cm / 5.91 inch (stretchable)The other side of the red wire should connect with the person who is driving boat, this can protect his safe and to avoid the boat out of control, and can also protect the engine from waterShould insert the board below the flameout switch, or it wont work (equivalent to the key role)Red coil extendible lanyard with swivel snap hook, to prevent tanglesThis item is for the use of emergency insurancePackage Includes: 2Pcs Boat Motor Kill Stop Tether *