Harken Aluminum Double Swivel Block - 57mm Fluids & Lubricants An example would be anchor

An example would be anchor shackles which are regularly immersed in salt water

RailFast 311 Antenna Mount & Handle

Introducing the Rocna

Racor 10 Micron 1000 Series Aquabloc Fuel Filter/Water Separator Filter Element

Non-corrosive with no harsh chemicals being emitted

Harken Aluminum Double Swivel Block - 57mm Fluids & Lubricants An example would be anchorThe entire line of Black Magic Air blocks has been redesigned with a sleek new look. Their unique, performance packed engineering remains exactly the same. These strong, lightweight blocks feature free rolling high load Torlon roller bearings for a high strength to weight ratio. Like all Black Magic blocks, the three way head swivels locks in front side positions. Blocks are easily disassembled with a single hex wrench.