This system takes the burden off your back and allows you to pull 3 times the cargo with the power of your hips * Includes two adjustable Aluminum Tow Bars with Steel Connectors. Adjusts from 41" to 71" long * Lightweight Hip Harness with steel snap hooks; harness adjusts so one size fits most * Lightweight hip-harness for hands free cargo transport * Limited lifetime manufacturer"s warranty against defects in materials and workmanship