Tail piece is made of bronze with a bronze locknut

filter-less pumps has connections for 1" and 1-1/2" ports designed for passing typical debris and bait residue

A rugged two-piece shaft features an oversized stainless steel outer column and an unbreakable inner composite shaft with lifetime warranty

Super Silent with flexible vibration isolation mounts & larger ducts to reduce noise from air speed

Quick BTH300 Thruster 300KGF Hydraulic 20.0kW 300mm Twin C/R Props 7EFKOZD-SS Tail piece is made ofQuick BTH 300 300 hydraulic thruster recommended for boats 22 to 36 meters (72 118 ft) in length. This model has a double propeller made in sturdy composite material (BTH 300 400 NIBRAL) and a bronze gearbox. It is equipped with an elastic coupling and has a zinc anode independent from the gearbox making it easily replaceable. Specs: Model: BTH 300 300 Number of propellers: Double propellers Tunnel diameter: 300mm (11 13 16) Motor type: Gear type