Item Type: Remote Control Boat Jet Pusher Material: Plastic, Aluminum Alloy Gross Weight: 295g / 10.4oz Product Size after Installation: Approx.21 x 6.2 x 7.5cm / 8.3 x 2.4 x 3.0in Caliber: Approx.40mm / 1.6in Applicable: for Approx.80-120cm / 31.5-47.2in length hull Package List 8 x Thruster Parts 1 x Wrench 1 x Screw Package 1 x Installation Schematic 1Strong Compatibility: This thruster has strong compatibility, widely applicable to 80120cm hull, can be used with confidence. 2Robust Construction: The pump has a robust construction, which makes the vessel more flexible and easier to operate, and can effectively push the vessel by reducing the influence of natural currents. 3Built in Propeller: The jet water pusher has a built in propeller, which makes the boat travel more safely, with good maneuverability, easy turning and powerful. 4Easy to Install: The pusher is easy to install, easy to use, light in shape, easy to carry and store, and is an excellent remote control toy accessory. 5Wear Resistant: The propeller is made of premium plastic and aluminum alloy materials, durable, wear resistant, stable performance and long service life.