G84 Full Circle/part circle block rotor. Boasting the highest torque output of any golf rotor on the market, the G84B's patented gear drive will push through anything that gets in its way. Try it yourself & see. W/ just one rotation of the turret by hand, you can clearly feel this rotor's formidable durability. W/ a powerful core, an array of efficient nozzles, & true full circle & convertible part circle capabilities, the new G84B golf rotor is built to perform.