1) Block 2) Nautical pulley 3) Pulley 4) Pulley-block 
A fairlead is a device to guide a line, rope or cable around an object, out of the way or to stop it from moving laterally. Typically a fairlead will be a ring or hook. The fairlead may be a separate piece of hardware, or it could be a hole in the structure. A fairlead can also be used to stop a straight run of line from vibrating or rubbing on an...
A ring, hook or other device used to keep a line or chain running in the correct direction or to prevent it rubbing or fouling.
A ring, hook or other device used to keep a line or chain running in the correct direction or to prevent it rubbing or fouling.
ring through which rope is led to change its direction without friction
ring through which rope is led to change its direction without friction
A block with a hole or holes used to lead lines in a certain direction.
A fitting designed to control the direction of a line with minimal friction.
A piece of hardware or equipment (such as a block) used for leading the jib sheets from the deck to the cockpit. They are located astern of the beam, on each side of the boat.
Fitting to route control lines or cables.
a piece of hardware that leads a rope in suitable for pulling
A small hoop, or tunnel, that guides a line, or protects a line from fouling.
[n] - a pulley-block used to guide a rope forming part of a ship`s rigging to avoid chafing
noun a pulley-block used to guide a rope forming part of a ship`s rigging to avoid chafing