The EASA and FAA certified vintage 2 bladed 5400 ground adjustable aluminum MT-Propeller are available with a steel hub
to be installed on a SAE No. 20 or 30 Spline engine flange.
It is a direct replacement for the HamStand Ground Adjustable propeller used on the Ford Tristar, Stearmans and many more.
MT-Propeller also developed a ground adjustable propeller for UL / LSA.