The Ultra-Rest HDX has a curved capture bar and a redesigned vertical The Mounting Block Design gives you more vertical adjustment and fits most bows. Full-draw indicator marks ensure proper launcher position. Lock-Down Technology eliminates rest bounce back. Advanced Vibration Technology and durable molded rubber creates ultraquiet shots. Velocity Drop-Away Technology maintains arrow-capture position. Adjustable timing cord at the thumbwheel. Vertical horizontal and overdraw adjustments. Breakaway safety feature. Constructed of CNC-aluminum stainless steel and Delrin components. Made in USA.