The Hand Truck Sentry System or HTS Ultra-Rack, from HTS Systems Lock Roll, LLC, is a new retaining apparatus for quickly and safely transporting hand trucks aboard commercial delivery vehicles. The HTS prevents route drivers from leaving their hand truck behind and eliminates the need to retreive it miles away. The HTS saves route time, labor costs, cargo space and reduces worker injury, workers compensation claims, fuel expenses, product damage, hand truck theft and also prevents highway accidents, thereby reducing liability. The Hand Truck Sentry stream-lines the process of unloading and reloading hand trucks during route deliveries.Saving a route driver just one minute of time per delivery stop is labor savings of 2.5 hours per week! The HTS Ultra-Rack is a new hand truck safety rack that can save a delivery company thousands of dollars annually per route vehicle!