Which tool is best for lifting and positioning heavy loads safely?

Chain hoists are specifically designed for lifting and positioning heavy loads safely and efficiently. They utilize a system of gears and chains to allow operators to lift substantial weights with minimal effort, making them ideal for lifting applications in construction and industrial settings. The mechanism provides control over the load, allowing for precise positioning.

The safety features of chain hoists, such as built-in brakes that prevent accidental lowering of the load, contribute to safe lifting practices. Additionally, they can be mounted from various structures or used in conjunction with other lifting equipment, enhancing their versatility for different tasks.

Strap wrenches, drift pins, and flange spreaders serve different purposes, such as turning or holding objects, aligning holes, or spreading flanges, but they are not primarily designed for lifting heavy loads. Their functions do not encompass the necessary safety or load-bearing capability required for lifting, which is why they are not suitable options for this application.