Features Easy to install, no fiberglass lamination German quality swiss precision Completely sealed/ Long run time/low battery draw Maintenance free/ quiet operation 3year complete replacement warranty Description Product Description Product Description Externally mounted thruster solid aluminum. From the Manufacturer Two thrusters mounted together in one unit. Externally mounted solid aluminum. L38 x 6 in. Includes full mounting kit with instruction manual, electronic box, fuse, mounting apparatus and your choice of joystick or touch pad control for a complete system.