A sailboat prop. Martec Eliptec 16 x 12 LH folding propeller – sailboat prop Php 16,000 2 blade, Bronze Martec Eliptec, RH16DX12P-2 for 1″ shaft. The propeller is in excellent condition. There are no dings or scratches on the propeller. Cast in high strength marine bronze Monel pivot pins for improved anti-corrosion Sailing speed gains of one-half to three-quarter knots over fixed two-blade and three-bla.