Compatible with OMC Johnson Evinrude Sierra Replace 585134 432230 MP28870 This device is used to turn the engine off in the event the skipper moves away from the helm or falls in the water. The engine cut off switch has an lanyard between the skipper and the switch. When the lanyard end piece is removed, the engine will turn off. has undergone rigorous factory testingm with a long service life Colour:red+black Material:ABS Package Contents: 1 x Emergency Stop Switch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.