Complex sentence: These planetary torque multiplier gearboxes have multiplication ratios up to 4000:1 and are primarily used anywhere accurate torque is required on a nut and bolt, or where a stubborn nut needs to be removed.
Split into simpler sentences: These planetary torque multiplier gearboxes have multiplication ratios up to 4000:1. These tools are primarily used anywhere accurate torque is required on a nut and bolt, or where a stubborn nut needs to be removed.