The snatch block is a pulley system with covered and protected yet removable sides. It is possible to unscrew or remove one side, slip in the winch cable or rope and then re protect the same side to prevent the cable from leaving the groove.
Snatch blocks or pulleys are used to change the direction of the pull to a different angle relative to a fixed point.
It's all steel construction makes it sturdy, durable
Used for wreckers, tow trucks, four wheel drives and rigging.