Golbergâ€s Single Pack Rigid Eye Wheel Pulley is a great tool for rigging and holding loads to reduce the amount of force needed to lift, carry, and move items. It works well with guiding both cables and ropes. Every pulley is made out of steel making it strong and durable as well as resistant to , moisture. There are 6 size options to choose from for the pulleys, and each one fits a different size rope. Ones with a sheave height of 3/4-inch fits 3/16-inch rope, 2-inches fits 7/16-inch rope, 1/2-inch fits 5/32-inch rope, 1 1/4-inch and 1 1/2-inch fits 5/16-inch rope, and 1-inch fits 5/32-inch rope.