The Rion VT-02S11 is the official rotor extension rod for the Rion VT-06 rotational viscometer. 35.4inch (11.8inch x 3 pieces) Designed to extend the reach of VT-06 measurement rotors into deep tanks, vats, or large sample vessels, it allows accurate fluid viscosity testing in hard-to-reach sampling locations while maintaining precise rotational alignment and torque transmission.