Ratchet operates like a standard ratchet. Our patented design features 2 large coil springs that automatically tighten the strap. In the case of a load shift, the ratchet will re-tighten, taking up 2 in. of slack, ensuring the load stays tight. Self tensioning.Patented design features 2 large coil springs that auto tighten the strap in case the load shifts.No more load shift worries.10,000 lbs. capacity.