The ISC brand specialized pulleys are made of aluminium and are therefore lighter. The PCA-1271 has a diameter of 62 mm and a Minimum Breaking Strength of 40 kN.
This is one of our two models of self-locking pulleys available for users seeking to hold a load in position. These are also popular in lifting. They are also very useful in forestry, hunting or for industrial applications.
It features a cam brake system that allows the rope to pass freely in one direction and is blocked in the other. The cam is held by a spring and can be disengaged by pulling a cord.
This aluminium pulley is mounted on a stainless steel shaft and a self-lubricating bearing. The swing side plates are also made of anodized aluminium.
Self-locking pulleys can also be used as standard pulleys; simply block the cam in the open position using the pin provided.