This adapter allows you to use the CPC™ EXTENDABLE StKSS™ load support system on your CAGE ARMOR CHASSIS™ and/or HIGH BACK BLAST BELT™. Simply attach the adapters to the side of the Chassis and the belt and insert the appropriately sized CPC™ EXTENDABLE StKSS™ (sold separately). One size fits all CPC™ EXTENDABLE StKSS™. Kit includes a pair of vest adapters and a pair of belt adapters. Patented, see www.lwpatents.com.