The Dutton-Lainson Worm Gear Hand Winch, # DL10970, is made of laminated steel gears and a steel base, which is powder coated for some protection, but it is susceptible to the elements and corrosion. Instead, a better option would be the Dutton-Lainson Hand Winch, # DL14730.
This winch has a Zinc plated yellow chromate TUFFPLATE finish has three times the corrosion resistance of standard zinc plated trivalent chrome process and 30 percent greater corrosion resistance when compared to... view full answer...