Profile: HTS Systems Lock N Roll, LLC provides hand truck transport solutions. Our product includes hand truck, hand truck lock, hand truck carrier rack, route delivery truck, hand truck mount, hand truck holder, delivery van, dolly carrier, hand truck safety, hand cart and hand truck retainer. We also manufacture hand truck sentry system. Our HTS Ultra-Rack® is the safest, easiest and economical method for securing & transporting hand trucks aboard commercial delivery vehicles. Our powered hand truck sentry uses a cab dash release system for quick access of the hand truck. The dash release switch includes an LED indicator light with alarm, to confirm if the HTS Ultra-Rack® is safely locked.