Master Lock Marine padlocks are designed to provide optimum protection in highly corrosive environments e.g. near the sea/coast where there is persistent salt spray.
The shrouded shackle design offers additional protection.
The padlock has a high security reversible key, and is key retaining. It has a 5-pin cylinder and is supplied with a Lifetime Warranty against mechanical failure.
Suggested Uses: Marine equipment, outboard motors, tackle boxes and trunks.

The Master Lock 550EURD has the following specifications:
50mm stainless steel marine padlock - 22mm shrouded stainless steel shackle, 10mm diameter.